differentiate second filtered value from first filtered value

Try the formula below

To get the best of the time intelligences. Make sure you have a date calendar and it has been marked as the date in model view. Also, join it with the date column of your fact/s.

Refer
https://radacad.com/creating-calendar-table-in-power-bi-using-dax-functions

Change % = 
Var _max= (maxx('Date''Date'[Date]))
Var _min= (minx('Date''Date'[Date]))


Var _last= CALCULATE(sum(Sales[Sales Amount]),(Sales[Sales Date])=_min)
Var   _This =CALCULATE(sum(Sales[Sales Amount]),(Sales[Sales Date])=_max)
return
(_This-_last)/_last*100

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