-85.16% is the change from 822 to 122
Calculation steps:
[( 122 - 822 ) ÷ 822] x 100 = -85.16%
Formula
Percentage change = [(122 - 822) / 822] x 100
Subtract the new number by the original number
122 - 822 = -700
-700 ÷ 822 = -0.851581508515815
-0.851581508515815 x 100 = -85.16%