Calculations in Tiki tracker?
Bernard Sfez / Tiki Specialist wrote:
Please check : https://doc.tiki.org/Calculations
For your case it should be something like (to be tested)
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(mul (div (sub f_27 f_24) f_24) 100)
My 2 cents, I prefer working with identifiable permaname and not the f_n' form (IE: "peopleAge").
You may want to add rounding operation and some check in case a field is empty.
Good luck