Query on variance

[#1]

Hi all,

Have a small issue  on variance...let me know the set analysis code for the foll formula....

[ (Actual '13 - Actual '12) / Actual '12  ] * 100

I have applied

sum({$<YEAR= {$(=max(YEAR-1))}>}CTS-----(VVALUE13)

sum({$<YEAR= {$(=max(YEAR))}>}CTS----(VVALUE14)

Created Variable

=(((VVALUE14)-(VVALUE13))/VVALUE13)*100

On month and year selection i am getting the right value...but on summary level it is showing same values....

let me know the reson y it is showing same values....like -89......on selection i m getting wite vale...plz help me

[#2]