add percentage to the sum([Sales Amount])

[#1]

Hi,

I am very new to qlikview world. Just started my first qlikview report based on the developer training.I have a big problem to find the option.

Please see the below screen shot. i am unable to add the percentage and also sum of values in the report.

Any help greatly appreciated.

[#2]

Below is the actual ouput format required

[johnw]

I think this?

sum("Sales Amount")/sum(total <"Month","Division Name"> "Sales Amount")