-56.06% is the change from 858 to 377
Calculation steps:
[( 377 - 858 ) ÷ 858] x 100 = -56.06%
Formula
Percentage change = [(377 - 858) / 858] x 100
Subtract the new number by the original number
377 - 858 = -481
-481 ÷ 858 = -0.5606060606060606
-0.5606060606060606 x 100 = -56.06%