-32.64% is the change from 821 to 553
Calculation steps:
[( 553 - 821 ) ÷ 821] x 100 = -32.64%
Formula
Percentage change = [(553 - 821) / 821] x 100
Subtract the new number by the original number
553 - 821 = -268
-268 ÷ 821 = -0.3264311814859927
-0.3264311814859927 x 100 = -32.64%