how to get the percentage in SSRS

Hi All;

Below is my report

I need to find percentage of the below

when output is equal to Bussiness Starts

i need percentage of [Count(Claim_Period)] for Bussiness Satrts/[CountDistinct(new_applicationformid)] for Total Applications *100

i.e percentage between the yellow part

Any help much appreciated

Thanks

Pradnya07