-30.66% is the change from 822 to 570
Calculation steps:
[( 570 - 822 ) ÷ 822] x 100 = -30.66%
Formula
Percentage change = [(570 - 822) / 822] x 100
Subtract the new number by the original number
570 - 822 = -252
-252 ÷ 822 = -0.30656934306569344
-0.30656934306569344 x 100 = -30.66%