newbie26 0 Light Poster

hi.can someone help me.
i have two running totals in my report (in group footer section)
1. first running total is the total count of record of each group (RTotalManpower) (field to summarize : Name)
2. second runnning total is the total count of each record with grades >= 70 (RGradesPassed) (field to summarize: Grade)
I was able to create this. Now my next running total i want to display is the difference between running total 1 and running total 2.

Also, I want to use runnning total #2 to compute another running total:
example: runningtotal#2 * 0.6

how can i achieve this?
thanks

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