Pivot Table - Variance Row?

Hi,

I tried searching, but could not find this specific issue. I have a pivot table with the following set up, but with 12 stat columns.

Year	Stat 1	Stat 2
2011	105	75%
2010	60	50%

I want to set up a % of difference, but I want it in the bottom row. Unfortunately, the data is set up so the "year" is the category in the raw data with the values being 2010 or 2011, not each year set up as a separate category. Thanks for any assistance.

David