-24.6% is the change from 809 to 610
Calculation steps:
[( 610 - 809 ) ÷ 809] x 100 = -24.6%
Formula
Percentage change = [(610 - 809) / 809] x 100
Subtract the new number by the original number
610 - 809 = -199
-199 ÷ 809 = -0.24598269468479605
-0.24598269468479605 x 100 = -24.6%