title: SSRS Calculate percentages of row group from total
body: <p>Using SSRS 2010, I have a table which looks like:</p>
  
  <pre><code>       Description     Place-ref
         -----------     ---------
  Group: House           3 (Count of place-ref)
  Group: Flat            1 (Count of place-ref)
  Total                  4 (Count of Place-ref)
  </code></pre>
  
  <p>It seems like such a simple thing but I am struggling to get the "count of place-ref" to show as a %age, eg. 75% and 25% respectively.  Changing the format just changes the look of the number to 300% and 100%.</p>
  
  <p>Can anyone help please?</p>