-12.52% is the change from 575 to 503
Calculation steps:
[( 503 - 575 ) ÷ 575] x 100 = -12.52%
Formula
Percentage change = [(503 - 575) / 575] x 100
Subtract the new number by the original number
503 - 575 = -72
-72 ÷ 575 = -0.12521739130434784
-0.12521739130434784 x 100 = -12.52%