chart for growth analysis

[sudhanshu123]

Hi all,

Need to make chart for growth where in:

i have to take month as dimension and need to calculate sales for all months

after which i need to take out growth that is

Current month sales- Previous month sales

so if in a dimension i am getting June

then under June i need to get June sales - May Sales.

Ex

            Apr                    May         June

Sales    10                      30            80

Growth  10-(March no)    20(30-10)       50(80-30)(Required)