-85.82% is the change from 980 to 139
Calculation steps:
[( 139 - 980 ) ÷ 980] x 100 = -85.82%
Formula
Percentage change = [(139 - 980) / 980] x 100
Subtract the new number by the original number
139 - 980 = -841
-841 ÷ 980 = -0.8581632653061224
-0.8581632653061224 x 100 = -85.82%