-85.51% is the change from 980 to 142
Calculation steps:
[( 142 - 980 ) ÷ 980] x 100 = -85.51%
Formula
Percentage change = [(142 - 980) / 980] x 100
Subtract the new number by the original number
142 - 980 = -838
-838 ÷ 980 = -0.8551020408163266
-0.8551020408163266 x 100 = -85.51%