subtract two columns of a matrix with Dax

[smedina1]

I request your kind collaboration, I have two columns in a matrix (days), in which I need to subtract them for each row.

So here, I need subtract column "18" minus "17". taking into account that the number 18 is the day of the month, and I need it to be subtracted from the previous day.

Thank you.

[Anonymous]

Assuming the format of the column is Date you can use 

Days Difference = DATEDIFF([Start Date], [End Date], DAY) or please provide the column format ?

Regards,

Jupsimar Singh.

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