Calculate revenue % distribution for each project with in Business unit

Summary:

We have the below requirement

Project1 Revenue amount-20

project2 Revenue amount-30

project3 revenue amount-16

Total BU revenue amount 66 (this is achieved by enabling totals)

Project1 revenue % with respect to total is (20*100)/66=30.3%

Project2 revenue % with respect to total is (30*100)/66=45.5%

Project3 revenue % with respect to total is (16*100)/66=24.2%

Please let me know how to calculate % in OTBI reports based on the totals generated?

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