-10.46% is the change from 813 to 728
Calculation steps:
[( 728 - 813 ) ÷ 813] x 100 = -10.46%
Formula
Percentage change = [(728 - 813) / 813] x 100
Subtract the new number by the original number
728 - 813 = -85
-85 ÷ 813 = -0.1045510455104551
-0.1045510455104551 x 100 = -10.46%