-22.04% is the change from 812 to 633
Calculation steps:
[( 633 - 812 ) ÷ 812] x 100 = -22.04%
Formula
Percentage change = [(633 - 812) / 812] x 100
Subtract the new number by the original number
633 - 812 = -179
-179 ÷ 812 = -0.2204433497536946
-0.2204433497536946 x 100 = -22.04%