-15.33% is the change from 809 to 685
Calculation steps:
[( 685 - 809 ) ÷ 809] x 100 = -15.33%
Formula
Percentage change = [(685 - 809) / 809] x 100
Subtract the new number by the original number
685 - 809 = -124
-124 ÷ 809 = -0.15327564894932014
-0.15327564894932014 x 100 = -15.33%