-9.89% is the change from 728 to 656
Calculation steps:
[( 656 - 728 ) ÷ 728] x 100 = -9.89%
Formula
Percentage change = [(656 - 728) / 728] x 100
Subtract the new number by the original number
656 - 728 = -72
-72 ÷ 728 = -0.0989010989010989
-0.0989010989010989 x 100 = -9.89%