-30.71% is the change from 723 to 501
Calculation steps:
[( 501 - 723 ) ÷ 723] x 100 = -30.71%
Formula
Percentage change = [(501 - 723) / 723] x 100
Subtract the new number by the original number
501 - 723 = -222
-222 ÷ 723 = -0.3070539419087137
-0.3070539419087137 x 100 = -30.71%