-20.51% is the change from 858 to 682
Calculation steps:
[( 682 - 858 ) ÷ 858] x 100 = -20.51%
Formula
Percentage change = [(682 - 858) / 858] x 100
Subtract the new number by the original number
682 - 858 = -176
-176 ÷ 858 = -0.20512820512820512
-0.20512820512820512 x 100 = -20.51%