-88.11% is the change from 858 to 102
Calculation steps:
[( 102 - 858 ) ÷ 858] x 100 = -88.11%
Formula
Percentage change = [(102 - 858) / 858] x 100
Subtract the new number by the original number
102 - 858 = -756
-756 ÷ 858 = -0.8811188811188811
-0.8811188811188811 x 100 = -88.11%