-11.13% is the change from 728 to 647
Calculation steps:
[( 647 - 728 ) ÷ 728] x 100 = -11.13%
Formula
Percentage change = [(647 - 728) / 728] x 100
Subtract the new number by the original number
647 - 728 = -81
-81 ÷ 728 = -0.11126373626373626
-0.11126373626373626 x 100 = -11.13%