-20.53% is the change from 721 to 573
Calculation steps:
[( 573 - 721 ) ÷ 721] x 100 = -20.53%
Formula
Percentage change = [(573 - 721) / 721] x 100
Subtract the new number by the original number
573 - 721 = -148
-148 ÷ 721 = -0.20527045769764216
-0.20527045769764216 x 100 = -20.53%