i have data in Column A - Days and Column B - Sales i want calculate running total based on Days Value like
Column A Column B
Day1 150
Day2 200
Day3 175
Day4 250
i want total running sum in Column E Based on Value in Column D
here i applied this formula to running sum based on cell value
=SUM($B$2:B2,INDEX($B$2:B5,MATCH($D$2,$A$2:A5,0)))
here i have getting wrong result like if i enter (Day3 in Cell D2 getting result in Cell E2 - 325) it's wrong
