-35.71% is the change from 812 to 522
Calculation steps:
[( 522 - 812 ) ÷ 812] x 100 = -35.71%
Formula
Percentage change = [(522 - 812) / 812] x 100
Subtract the new number by the original number
522 - 812 = -290
-290 ÷ 812 = -0.35714285714285715
-0.35714285714285715 x 100 = -35.71%