Change the fill color of matrix for cell with different value

Hi there,

I need some advice in ssrs 2008 report. Can anyone advice me on how to accomplish it?

Report Requirement : filling up the cell if both the cell value in the same group is different.

Example : Period = 2012 - 08; metric id = 5.2.10 ;

                : - row 1 : successful data points a  = 162 ; row 2 :  successful data points a  = 150

                : both column are different >> need to change the background color to highlight them.

              Period = 2012 - 10; metric id = 14.3.1.1a;

              :- - row 1 : successful data points a  = 100 ; row 2 :  successful data points a  = 100

              :- both successful data points a are the same >> remain transparent, no color fill needed.