-93.35% is the change from 812 to 54
Calculation steps:
[( 54 - 812 ) ÷ 812] x 100 = -93.35%
Formula
Percentage change = [(54 - 812) / 812] x 100
Subtract the new number by the original number
54 - 812 = -758
-758 ÷ 812 = -0.9334975369458128
-0.9334975369458128 x 100 = -93.35%