1. Log in to your dashboard--> Design- -> Edit HTML

2. Click on "Expand Widget Templates"

3. Search "Ctrl+F" and find ]]></b:skin>. Above him paste the next code:

.showpageArea {
font-family:verdana,arial,helvetica;
color: #000;
font-size:11px;
margin:10px;
}
.showpageArea a {
color: #000;
text-shadow:0 1px 2px #fff;
font-weight: 700;
}
.showpageNum a {
padding: 3px 8px;
margin:0 4px;
text-decoration: none;
border:1px solid #999;
-webkit-border-radius:3px;-moz-border-radius:3px;
background: #ddd url(http://4.bp.blogspot.com/_McxL-_3YYuM/TBG_a0U9fJI/AAAAAAAAAAU/qcqAF8aqWME/s1600/wp1.jpg) 0 -50px repeat-x;
}
.showpageNum a:hover {
border:1px solid #888;
background: #ccc url(http://4.bp.blogspot.com/_McxL-_3YYuM/TBG_a0U9fJI/AAAAAAAAAAU/qcqAF8aqWME/s1600/wp1.jpg) 0 -25px repeat-x;
}
.showpageOf{
margin:0 8px 0 0;
}
.showpagePoint {
color:#fff;
text-shadow:0 1px 2px #333;
padding: 3px 8px;
margin: 2px;
font-weight: 700;
-webkit-border-radius:3px;-moz-border-radius:3px;
border:1px solid #999;
background: #666 url(http://4.bp.blogspot.com/_McxL-_3YYuM/TBG_a0U9fJI/AAAAAAAAAAU/qcqAF8aqWME/s1600/wp1.jpg) 0 0 repeat-x;
text-decoration: none;
}

4. The next step is to find:

</b:section>

</div>
</div>
<div class='cleared'/>

</div>
</div>
<div id='footer-wrapper'>
<b:section class='footer' id='footer'/>

and between </b:section> and </div> paste the following code:

<script type='text/javascript'>

var home_page_url = location.href;


var pageCount=7;
var displayPageNum=9;
var upPageWord =&#39;Previous&#39;;
var downPageWord =&#39;Next&#39;;


function showpageCount(json) {
var thisUrl = home_page_url;
var htmlMap = new Array();
var thisNum = 1;
var postNum=1;
var itemCount = 0;
var fFlag = 0;
var eFlag = 0;
var html= &#39;&#39;;
var upPageHtml =&#39;&#39;;
var downPageHtml =&#39;&#39;;





for(var i=0, post; post = json.feed.entry[i]; i++) {

var timestamp1 = post.published.$t.substring(0,19)+post.published.$t.substring(23,29);
timestamp = encodeURIComponent(timestamp1);


var title = post.title.$t;

if(title!=&#39;&#39;){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}

if(title!=&#39;&#39;) postNum++;
htmlMap[htmlMap.length] = &#39;/search?updated-max=&#39;+timestamp+&#39;&amp;max-results=&#39;+pageCount;
}
}
itemCount++;

}

for(var p =0;p&lt; htmlMap.length;p++){
if(p&gt;=(thisNum-displayPageNum-1) &amp;&amp; p&lt;(thisNum+displayPageNum)){
if(fFlag ==0 &amp;&amp; p == thisNum-2){
if(thisNum==2){
upPageHtml = &#39;&lt;span class=&quot;showpage&quot;&gt;&lt;a href=&quot;/&quot;&gt;&#39;+ upPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}else{
upPageHtml = &#39;&lt;span class=&quot;showpage&quot;&gt;&lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ upPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}

fFlag++;
}

if(p==(thisNum-1)){
html += &#39;&lt;span class=&quot;showpagePoint&quot;&gt;&#39;+thisNum+&#39;&lt;/span&gt;&#39;;
}else{
if(p==0){
html += &#39;&lt;span class=&quot;showpageNum&quot;&gt;&lt;a href=&quot;/&quot;&gt;1&lt;/a&gt;&lt;/span&gt;&#39;;

}else{
html += &#39;&lt;span class=&quot;showpageNum&quot;&gt;&lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ (p+1) +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}
}

if(eFlag ==0 &amp;&amp; p == thisNum){
downPageHtml = &#39;&lt;span class=&quot;showpage&quot;&gt; &lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ downPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
eFlag++;
}
}
}

if(thisNum&gt;1){
html = &#39;&#39;+upPageHtml+&#39; &#39;+html +&#39; &#39;;
}

html = &#39;&lt;div class=&quot;showpageArea&quot;&gt;&lt;span style=&quot;COLOR: #000;&quot; class=&quot;showpageOf&quot;&gt; Pages (&#39;+(postNum-1)+&#39;)&lt;/span&gt;&#39;+html;

if(thisNum&lt;(postNum-1)){
html += downPageHtml;
}

if(postNum==1) postNum++;
html += &#39;&lt;/div&gt;&#39;;


var pageArea = document.getElementsByName(&quot;pageArea&quot;);
var blogPager = document.getElementById(&quot;blog-pager&quot;);

if(postNum &lt;= 2){
html =&#39;&#39;;
}

for(var p =0;p&lt; pageArea.length;p++){
pageArea[p].innerHTML = html;
}

if(pageArea&amp;&amp;pageArea.length&gt;0){
html =&#39;&#39;;
}

if(blogPager){
blogPager.innerHTML = html;
}


}


function showpageCount2(json) {

var thisUrl = home_page_url;
var htmlMap = new Array();
var isLablePage = thisUrl.indexOf(&quot;/search/label/&quot;)!=-1;
var thisLable = isLablePage ? thisUrl.substr(thisUrl.indexOf(&quot;/search/label/&quot;)+14,thisUrl.length) : &quot;&quot;;
thisLable = thisLable.indexOf(&quot;?&quot;)!=-1 ? thisLable.substr(0,thisLable.indexOf(&quot;?&quot;)) : thisLable;
var thisNum = 1;
var postNum=1;
var itemCount = 0;
var fFlag = 0;
var eFlag = 0;
var html= &#39;&#39;;
var upPageHtml =&#39;&#39;;
var downPageHtml =&#39;&#39;;



var labelHtml = &#39;&lt;span class=&quot;showpageNum&quot;&gt;&lt;a href=&quot;/search/label/&#39;+thisLable+&#39;?&amp;max-results=&#39;+pageCount+&#39;&quot;&gt;&#39;;
var thisUrl = home_page_url;


for(var i=0, post; post = json.feed.entry[i]; i++) {

var timestamp1 = post.published.$t.substring(0,19)+post.published.$t.substring(23,29);
timestamp = encodeURIComponent(timestamp1);



var title = post.title.$t;

if(title!=&#39;&#39;){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}

if(title!=&#39;&#39;) postNum++;
htmlMap[htmlMap.length] = &#39;/search/label/&#39;+thisLable+&#39;?updated-max=&#39;+timestamp+&#39;&amp;max-results=&#39;+pageCount;

}
}
itemCount++;
}

for(var p =0;p&lt; htmlMap.length;p++){
if(p&gt;=(thisNum-displayPageNum-1) &amp;&amp; p&lt;(thisNum+displayPageNum)){
if(fFlag ==0 &amp;&amp; p == thisNum-2){
if(thisNum==2){
upPageHtml = labelHtml + upPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}else{
upPageHtml = &#39;&lt;span class=&quot;showpage&quot;&gt;&lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ upPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}

fFlag++;
}

if(p==(thisNum-1)){
html += &#39;&lt;span class=&quot;showpagePoint&quot;&gt;&#39;+thisNum+&#39;&lt;/span&gt;&#39;;
}else{
if(p==0){
html = labelHtml+&#39;1&lt;/a&gt;&lt;/span&gt;&#39;;
}else{
html += &#39;&lt;span class=&quot;showpageNum&quot;&gt;&lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ (p+1) +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
}
}

if(eFlag ==0 &amp;&amp; p == thisNum){
downPageHtml = &#39;&lt;span class=&quot;showpage&quot;&gt; &lt;a href=&quot;&#39;+htmlMap[p]+&#39;&quot;&gt;&#39;+ downPageWord +&#39;&lt;/a&gt;&lt;/span&gt;&#39;;
eFlag++;
}
}
}

if(thisNum&gt;1){
if(!isLablePage){
html = &#39;&#39;+upPageHtml+&#39; &#39;+html +&#39; &#39;;
}else{
html = &#39;&#39;+upPageHtml+&#39; &#39;+html +&#39; &#39;;
}
}

html = &#39;&lt;div class=&quot;showpageArea&quot;&gt;&lt;span style=&quot;COLOR: #000;&quot; class=&quot;showpageOf&quot;&gt; Pages (&#39;+(postNum-1)+&#39;)&lt;/span&gt;&#39;+html;

if(thisNum&lt;(postNum-1)){
html += downPageHtml;
}

if(postNum==1) postNum++;
html += &#39;&lt;/div&gt;&#39;;

var pageArea = document.getElementsByName(&quot;pageArea&quot;);
var blogPager = document.getElementById(&quot;blog-pager&quot;);

if(postNum &lt;= 2){
html =&#39;&#39;;
}

for(var p =0;p&lt; pageArea.length;p++){
pageArea[p].innerHTML = html;
}

if(pageArea&amp;&amp;pageArea.length&gt;0){
html =&#39;&#39;;
}

if(blogPager){
blogPager.innerHTML = html;
}


}


</script>

<script type='text/javascript'>

var thisUrl = home_page_url;
if (thisUrl.indexOf(&quot;/search/label/&quot;)!=-1){
if (thisUrl.indexOf(&quot;?updated-max&quot;)!=-1){
var lblname1 = thisUrl.substring(thisUrl.indexOf(&quot;/search/label/&quot;)+14,thisUrl.indexOf(&quot;?updated-max&quot;));
}else{
var lblname1 = thisUrl.substring(thisUrl.indexOf(&quot;/search/label/&quot;)+14,thisUrl.indexOf(&quot;?&amp;max&quot;));
}
}

var home_page = &quot;/&quot;;
if (thisUrl.indexOf(&quot;?q=&quot;)==-1 &amp;&amp; thisUrl.indexOf(&quot;.html&quot;)==-1){
if (thisUrl.indexOf(&quot;/search/label/&quot;)==-1){
document.write(&#39;&lt;script src=&quot;&#39;+home_page+&#39;feeds/posts/summary?alt=json-in-script&amp;callback=showpageCount&amp;max-results=99999&quot; &gt;&lt;\/script&gt;&#39;)
}else{document.write(&#39;&lt;script src=&quot;&#39;+home_page+&#39;feeds/posts/full/-/&#39;+lblname1+&#39;?alt=json-in-script&amp;callback=showpageCount2&amp;max-results=99999&quot; &gt;&lt;\/script&gt;&#39;)
}
}
</script>

Change the value of var pageCount=7;  with the number of post to appear on the page. This number must be the same with the number of post setup in the settings of your blog.
The settings can be found by going to Dashboard -- Setting -- Formatting -- Show -- 7 posts

5. Save the template.