title: How to Calculate the Positive Feedback as per rating in php
body: <p>Different users of the site are giving rating of the seller. I want to calculate the positive feedback in percentage of seller. I am showing the database of the single seller 
  In My Feedback table data is storing as follow :</p>
  
  <p><strong>Note</strong> :
  reliable max : 5, 
  communication max : 5, 
  experience max : 3 (1=poor, 2= average, 3 = good)</p>
  
  <p><strong>User one</strong> rating to Seller
  reliable : 4
  communication : 5
  experience : 3</p>
  
  <p><strong>User two</strong> rating to Seller
  reliable : 5
  communication : 1
  experience : 2</p>
  
  <p><strong>User three</strong> rating to Seller
  reliable : 5
  communication : 5
  experience : 3</p>
  
  <p>and other users rating will go in this fashion </p>
  
  <p>how do i calculate the Positive feedback of the Seller?</p>