help please - calculate percentage of a sum in a report

Manaz

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I have a report which has a calculation for five different costs:

mechanical, service, damage, elecrical, retro fit, and one for the total of the five.

each expression looks like this (but with its relevant heading in the place of 'Mechanical'):

=Sum([SumOfMechanical])

i need to find the percentage of the total, for each cost (ie mechanical, service etc)

so what i would like to do is: (MechanicalCost/TotalCost)*100

How do i do this?

and will it work building a expression for the percentage ontop of the existing expression.

Many thanks

Devon
 

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