-33.87% is the change from 812 to 537
Calculation steps:
[( 537 - 812 ) ÷ 812] x 100 = -33.87%
Formula
Percentage change = [(537 - 812) / 812] x 100
Subtract the new number by the original number
537 - 812 = -275
-275 ÷ 812 = -0.33866995073891626
-0.33866995073891626 x 100 = -33.87%