-77.39% is the change from 858 to 194
Calculation steps:
[( 194 - 858 ) ÷ 858] x 100 = -77.39%
Formula
Percentage change = [(194 - 858) / 858] x 100
Subtract the new number by the original number
194 - 858 = -664
-664 ÷ 858 = -0.7738927738927739
-0.7738927738927739 x 100 = -77.39%