-22.88% is the change from 721 to 556
Calculation steps:
[( 556 - 721 ) ÷ 721] x 100 = -22.88%
Formula
Percentage change = [(556 - 721) / 721] x 100
Subtract the new number by the original number
556 - 721 = -165
-165 ÷ 721 = -0.2288488210818308
-0.2288488210818308 x 100 = -22.88%