Pivot table grouping issue

[#1]

Hi,

i have a small issue with pivot table, i am use two expressions like actual and actual%. if i select period 1 actual and actual percentage displays perfect, if i select period 1,2,3, actual displays perfect but actual% not displays right values following is attachment

period 1                   actual           actual%

------------                 ------------         -----------

Gross Revenue         xxx              100%

Period 1               actual         actual%                Period2       actual         actual%              Period3           actual         actual%

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Gross Revenue      xxx            31%             Gross Revenue      xxx              33%             Gross Revenue    xxx              33%

i want each actuals also 100% please assist me

[#2]

this is my expression