-70.63% is the change from 858 to 252
Calculation steps:
[( 252 - 858 ) ÷ 858] x 100 = -70.63%
Formula
Percentage change = [(252 - 858) / 858] x 100
Subtract the new number by the original number
252 - 858 = -606
-606 ÷ 858 = -0.7062937062937062
-0.7062937062937062 x 100 = -70.63%