I know the option you are referring to, but the only choices for subtotal
that I have are: Sum, Count, Average, Max, Min, Product, CountNums, StdDev,
StdDevp, Var, and Varp. Is there a plug-in I need to install perhaps, to get
the difference option?
> Not sure if you have looked at it yet, but if you right-click on a
> pivottable and choose Field Settings you will see a bunch of options
> for types of sums and variances. I saw several options for
> "difference" and "% difference" as compared to other fields. Hope that
> gives you something to tinker with.