-15.7% is the change from 809 to 682
Calculation steps:
[( 682 - 809 ) ÷ 809] x 100 = -15.7%
Formula
Percentage change = [(682 - 809) / 809] x 100
Subtract the new number by the original number
682 - 809 = -127
-127 ÷ 809 = -0.15698393077873918
-0.15698393077873918 x 100 = -15.7%