-21.68% is the change from 858 to 672
Calculation steps:
[( 672 - 858 ) ÷ 858] x 100 = -21.68%
Formula
Percentage change = [(672 - 858) / 858] x 100
Subtract the new number by the original number
672 - 858 = -186
-186 ÷ 858 = -0.21678321678321677
-0.21678321678321677 x 100 = -21.68%