-74.57% is the change from 822 to 209
Calculation steps:
[( 209 - 822 ) ÷ 822] x 100 = -74.57%
Formula
Percentage change = [(209 - 822) / 822] x 100
Subtract the new number by the original number
209 - 822 = -613
-613 ÷ 822 = -0.745742092457421
-0.745742092457421 x 100 = -74.57%