I am having problem to calculating % on base of subtotal value in Matrix in SSRS Report

I am having problem to calculate the % value on the base of subtotal per each row and in the column.

As you may see from the snap shot# 1, I am unable to calculate the percentage value basing upon the sub-total value (i.e. from the 1st row).

And this is how i want to s开发者_如何学Chow my output as shown below snapshot.

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I found the answer for the above question calculating the percentage based on the subtotal for inscope values.

=FormatPercent(Sum(Fields!StartingInventory.Value)/Fields!Sum_StartingInventory.Value,1)