-43.36% is the change from 858 to 486
Calculation steps:
[( 486 - 858 ) ÷ 858] x 100 = -43.36%
Formula
Percentage change = [(486 - 858) / 858] x 100
Subtract the new number by the original number
486 - 858 = -372
-372 ÷ 858 = -0.43356643356643354
-0.43356643356643354 x 100 = -43.36%