-30.29% is the change from 723 to 504
Calculation steps:
[( 504 - 723 ) ÷ 723] x 100 = -30.29%
Formula
Percentage change = [(504 - 723) / 723] x 100
Subtract the new number by the original number
504 - 723 = -219
-219 ÷ 723 = -0.3029045643153527
-0.3029045643153527 x 100 = -30.29%