-19.7% is the change from 858 to 689
Calculation steps:
[( 689 - 858 ) ÷ 858] x 100 = -19.7%
Formula
Percentage change = [(689 - 858) / 858] x 100
Subtract the new number by the original number
689 - 858 = -169
-169 ÷ 858 = -0.19696969696969696
-0.19696969696969696 x 100 = -19.7%