-30.09% is the change from 821 to 574
Calculation steps:
[( 574 - 821 ) ÷ 821] x 100 = -30.09%
Formula
Percentage change = [(574 - 821) / 821] x 100
Subtract the new number by the original number
574 - 821 = -247
-247 ÷ 821 = -0.30085261875761266
-0.30085261875761266 x 100 = -30.09%