Calculate %

[vanderson009]

I have below formatted data and i want to percentage that are based on year.

Example - ProductA contribution in 2016 is 20 and percentage of contribution would be 33.33 % for that year.

Thanks,

Villyee.

[isingh30]

Thanks Sunny for the feedback

[isingh30]

Thank you guys for your valuable inputs.All Credit goes to fvelascog72