-77.62% is the change from 858 to 192
Calculation steps:
[( 192 - 858 ) ÷ 858] x 100 = -77.62%
Formula
Percentage change = [(192 - 858) / 858] x 100
Subtract the new number by the original number
192 - 858 = -666
-666 ÷ 858 = -0.7762237762237763
-0.7762237762237763 x 100 = -77.62%