-30.69% is the change from 821 to 569
Calculation steps:
[( 569 - 821 ) ÷ 821] x 100 = -30.69%
Formula
Percentage change = [(569 - 821) / 821] x 100
Subtract the new number by the original number
569 - 821 = -252
-252 ÷ 821 = -0.30694275274056027
-0.30694275274056027 x 100 = -30.69%