-39.16% is the change from 858 to 522
Calculation steps:
[( 522 - 858 ) ÷ 858] x 100 = -39.16%
Formula
Percentage change = [(522 - 858) / 858] x 100
Subtract the new number by the original number
522 - 858 = -336
-336 ÷ 858 = -0.3916083916083916
-0.3916083916083916 x 100 = -39.16%