I have a requirement about next 12 Rolling months data for each and every month of the table.Suppose current month is July 2017 then rolling data for July 2017 will be the addition of Values from Aug-2017 to Jul-2018.
Please find the attached excel sheet for same.We have 3 columns in this excel sheet.
2: COGS Values
3: Required result
We need the column of Required result through calculation.