hi, i have a pivot table that has quantity number of 3 different products over 12 months. now i would like to perform some caculation using the pivot table data and output the calculated data in a new table. im not sure how to do it as my data will update every month in the query.
i have tried adding calculated fields and items in the pivot table, but it doesnt seem working. can anyone help on this? a sample spreadsheet is attached.
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