-12.24% is the change from 809 to 710
Calculation steps:
[( 710 - 809 ) ÷ 809] x 100 = -12.24%
Formula
Percentage change = [(710 - 809) / 809] x 100
Subtract the new number by the original number
710 - 809 = -99
-99 ÷ 809 = -0.12237330037082818
-0.12237330037082818 x 100 = -12.24%