-30.9% is the change from 725 to 501
Calculation steps:
[( 501 - 725 ) ÷ 725] x 100 = -30.9%
Formula
Percentage change = [(501 - 725) / 725] x 100
Subtract the new number by the original number
501 - 725 = -224
-224 ÷ 725 = -0.30896551724137933
-0.30896551724137933 x 100 = -30.9%