Calculate percentege grouped by month

[Peter_PBI]

Hello Guys!

I have a little issue, hope you guys can help me with it.

The table kinda looks like this:

I want to calculate the percentege of the two coloumns for each month.
So I could see that in september the percentege was 1.7 %, in august 0,6% and so on.

I couldn't find the solution on my own. Any kind of solution is much appreciated.

[Stachu]

I don't get how you got 1.7% for September, can you explain the calculation?

based on your description I woulfd guess you need something like this:

Measure = DIVIDE(SUM(Table1[A]),SUM(Table1[B]))

and month coming from the DATE in the visual, but it gives 25%