-79.3% is the change from 860 to 178
Calculation steps:
[( 178 - 860 ) ÷ 860] x 100 = -79.3%
Formula
Percentage change = [(178 - 860) / 860] x 100
Subtract the new number by the original number
178 - 860 = -682
-682 ÷ 860 = -0.7930232558139535
-0.7930232558139535 x 100 = -79.3%