Pivot Calculated formula: SUM(Field1)/AVG(Field2)

Question

I\'ve a simple table with some amount and interval in sec by date and product name.

Month | Product | Amount | Interval in sec
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Answer 1

make a field in the source (counter) and put "1" in every line. put it also into the pivot and divide the SUM of seconds with this field - then it Will be an average. divide the original field with this average so your final-final division Will be the amount per sum of seconds per counter and that Will make the trick :)