I want to add current month data with previous data in pivot table.
Please see the attached screenshot.
For month, I have taken monthnumber i.e. 1,2,3,etc.
I want output as , in monthnumber 2 , monthnumber 1 + monthnumber 2 values addition should come.
For example: For Ahmedabad, in monthnumber 2 value should come as 250 (126+124).
Experssion used : sum(NOS)
Kindly help me to solve this issue.