-85.71% is the change from 980 to 140
Calculation steps:
[( 140 - 980 ) ÷ 980] x 100 = -85.71%
Formula
Percentage change = [(140 - 980) / 980] x 100
Subtract the new number by the original number
140 - 980 = -840
-840 ÷ 980 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%