-75.06% is the change from 858 to 214
Calculation steps:
[( 214 - 858 ) ÷ 858] x 100 = -75.06%
Formula
Percentage change = [(214 - 858) / 858] x 100
Subtract the new number by the original number
214 - 858 = -644
-644 ÷ 858 = -0.7505827505827506
-0.7505827505827506 x 100 = -75.06%