-32.28% is the change from 821 to 556
Calculation steps:
[( 556 - 821 ) ÷ 821] x 100 = -32.28%
Formula
Percentage change = [(556 - 821) / 821] x 100
Subtract the new number by the original number
556 - 821 = -265
-265 ÷ 821 = -0.3227771010962241
-0.3227771010962241 x 100 = -32.28%