-5.08% is the change from 531 to 504
Calculation steps:
[( 504 - 531 ) ÷ 531] x 100 = -5.08%
Formula
Percentage change = [(504 - 531) / 531] x 100
Subtract the new number by the original number
504 - 531 = -27
-27 ÷ 531 = -0.05084745762711865
-0.05084745762711865 x 100 = -5.08%