sales Differences

[manoj217]

Hi i want to show differences in sales

i have data like below:

A         B      C  E

Lan     100    v 12/9

Win      200   v  13/9

Run    250     v  14/9

now i want show the data like

A         B      C     D

Lan     100    v     0

Win      200   v     100

Run    250     v     50

Just i want to sh0w the differences  based on date for previous date and today date

[trdandamudi]

Please see the attached and hope this helps.