-97.29% is the change from 812 to 22
Calculation steps:
[( 22 - 812 ) ÷ 812] x 100 = -97.29%
Formula
Percentage change = [(22 - 812) / 812] x 100
Subtract the new number by the original number
22 - 812 = -790
-790 ÷ 812 = -0.9729064039408867
-0.9729064039408867 x 100 = -97.29%