-86.07% is the change from 998 to 139
Calculation steps:
[( 139 - 998 ) ÷ 998] x 100 = -86.07%
Formula
Percentage change = [(139 - 998) / 998] x 100
Subtract the new number by the original number
139 - 998 = -859
-859 ÷ 998 = -0.8607214428857716
-0.8607214428857716 x 100 = -86.07%