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Hello,
I have next table
<<YearNr>> <YearNr2>
weeknr Bruto Cum Difference Bruto Cum
53 100 1800 +25% 75 1205
52 200 1700 -30% 130 1130
51 300 1500 300 1000
50 400 1200 400 700
etc.
.
I want to calculate the Difference column.
What have i to do to get this?
in a pivot with before function
Thx!