-77.04% is the change from 858 to 197
Calculation steps:
[( 197 - 858 ) ÷ 858] x 100 = -77.04%
Formula
Percentage change = [(197 - 858) / 858] x 100
Subtract the new number by the original number
197 - 858 = -661
-661 ÷ 858 = -0.7703962703962703
-0.7703962703962703 x 100 = -77.04%