-77.51% is the change from 858 to 193
Calculation steps:
[( 193 - 858 ) ÷ 858] x 100 = -77.51%
Formula
Percentage change = [(193 - 858) / 858] x 100
Subtract the new number by the original number
193 - 858 = -665
-665 ÷ 858 = -0.7750582750582751
-0.7750582750582751 x 100 = -77.51%