-86.33% is the change from 139 to 19
Calculation steps:
[( 19 - 139 ) ÷ 139] x 100 = -86.33%
Formula
Percentage change = [(19 - 139) / 139] x 100
Subtract the new number by the original number
19 - 139 = -120
-120 ÷ 139 = -0.8633093525179856
-0.8633093525179856 x 100 = -86.33%