-84.88% is the change from 860 to 130
Calculation steps:
[( 130 - 860 ) ÷ 860] x 100 = -84.88%
Formula
Percentage change = [(130 - 860) / 860] x 100
Subtract the new number by the original number
130 - 860 = -730
-730 ÷ 860 = -0.8488372093023255
-0.8488372093023255 x 100 = -84.88%