![78077-capture.jpg][1] [1]: /api/attachments/78077-capture.jpg?platform=QnA in the attached snippet, i am subtracting values y2y. Measure 2 = var Minaa = calculate (MIN('1500000 Sales Records'[Year]), ALLSELECTED('1500000 Sales Records'[Year])) var Maxaa = calculate (MAX('1500000 Sales Records'[Year]), ALLSELECTED('1500000 Sales Records'[Year])) var result = calculate ( sum('1500000 Sales Records'[Total Cost]), year('1500000 Sales Records'[Order Date])= Maxaa)- calculate ( sum('1500000 Sales Records'[Total Cost]), year('1500000 Sales Records'[Order Date])=Minaa ) return result problem is how to remove negatve sign from 2014 column. one more problem, how to calculate difference sales amount between month in a year.