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Jan 15, 2020 at 04:47 AM

How to create a variable to calculate the difference between two months' sales in WebI?

94 Views Last edit Jan 15, 2020 at 04:49 AM 3 rev

I want a column that calculates the difference between two months' sales.

For eg:

October $200
November $300 - $100 (300-200)
December $350 - $50 (350-300)
January $500 - $150 (500-350)
February $500 - $0 (500-500)

Thank you.