-89.97% is the change from 728 to 73
Calculation steps:
[( 73 - 728 ) ÷ 728] x 100 = -89.97%
Formula
Percentage change = [(73 - 728) / 728] x 100
Subtract the new number by the original number
73 - 728 = -655
-655 ÷ 728 = -0.8997252747252747
-0.8997252747252747 x 100 = -89.97%