-30.77% is the change from 728 to 504
Calculation steps:
[( 504 - 728 ) ÷ 728] x 100 = -30.77%
Formula
Percentage change = [(504 - 728) / 728] x 100
Subtract the new number by the original number
504 - 728 = -224
-224 ÷ 728 = -0.3076923076923077
-0.3076923076923077 x 100 = -30.77%