-11% is the change from 809 to 720
Calculation steps:
[( 720 - 809 ) ÷ 809] x 100 = -11%
Formula
Percentage change = [(720 - 809) / 809] x 100
Subtract the new number by the original number
720 - 809 = -89
-89 ÷ 809 = -0.1100123609394314
-0.1100123609394314 x 100 = -11%