-81.97% is the change from 122 to 22
Calculation steps:
[( 22 - 122 ) ÷ 122] x 100 = -81.97%
Formula
Percentage change = [(22 - 122) / 122] x 100
Subtract the new number by the original number
22 - 122 = -100
-100 ÷ 122 = -0.819672131147541
-0.819672131147541 x 100 = -81.97%