-29.88% is the change from 723 to 507
Calculation steps:
[( 507 - 723 ) ÷ 723] x 100 = -29.88%
Formula
Percentage change = [(507 - 723) / 723] x 100
Subtract the new number by the original number
507 - 723 = -216
-216 ÷ 723 = -0.2987551867219917
-0.2987551867219917 x 100 = -29.88%