-77.86% is the change from 858 to 190
Calculation steps:
[( 190 - 858 ) ÷ 858] x 100 = -77.86%
Formula
Percentage change = [(190 - 858) / 858] x 100
Subtract the new number by the original number
190 - 858 = -668
-668 ÷ 858 = -0.7785547785547785
-0.7785547785547785 x 100 = -77.86%