-23.1% is the change from 723 to 556
Calculation steps:
[( 556 - 723 ) ÷ 723] x 100 = -23.1%
Formula
Percentage change = [(556 - 723) / 723] x 100
Subtract the new number by the original number
556 - 723 = -167
-167 ÷ 723 = -0.23098201936376211
-0.23098201936376211 x 100 = -23.1%