Well thought I had this solved, but the solution that I used will not work for my problem I have again.
SELECT [Net/Net Sum].WEEK_ID, [Net/Net Sum].[Sale Area], [Net/Net Sum].Category, [Net/Net Sum]![SumOfCurrent Units]/[Net/Net Sum]![SumOfPrevious Units]-1 AS [Comp Unit Totals], [Net/Net...