-79.93% is the change from 862 to 173
Calculation steps:
[( 173 - 862 ) ÷ 862] x 100 = -79.93%
Formula
Percentage change = [(173 - 862) / 862] x 100
Subtract the new number by the original number
173 - 862 = -689
-689 ÷ 862 = -0.7993039443155452
-0.7993039443155452 x 100 = -79.93%