-12.5% is the change from 576 to 504
Calculation steps:
[( 504 - 576 ) ÷ 576] x 100 = -12.5%
Formula
Percentage change = [(504 - 576) / 576] x 100
Subtract the new number by the original number
504 - 576 = -72
-72 ÷ 576 = -0.125
-0.125 x 100 = -12.5%