-15.8% is the change from 810 to 682
Calculation steps:
[( 682 - 810 ) ÷ 810] x 100 = -15.8%
Formula
Percentage change = [(682 - 810) / 810] x 100
Subtract the new number by the original number
682 - 810 = -128
-128 ÷ 810 = -0.1580246913580247
-0.1580246913580247 x 100 = -15.8%