-24.48% is the change from 858 to 648
Calculation steps:
[( 648 - 858 ) ÷ 858] x 100 = -24.48%
Formula
Percentage change = [(648 - 858) / 858] x 100
Subtract the new number by the original number
648 - 858 = -210
-210 ÷ 858 = -0.24475524475524477
-0.24475524475524477 x 100 = -24.48%