-83.58% is the change from 822 to 135
Calculation steps:
[( 135 - 822 ) ÷ 822] x 100 = -83.58%
Formula
Percentage change = [(135 - 822) / 822] x 100
Subtract the new number by the original number
135 - 822 = -687
-687 ÷ 822 = -0.8357664233576643
-0.8357664233576643 x 100 = -83.58%