-99.28% is the change from 139 to 1
Calculation steps:
[( 1 - 139 ) ÷ 139] x 100 = -99.28%
Formula
Percentage change = [(1 - 139) / 139] x 100
Subtract the new number by the original number
1 - 139 = -138
-138 ÷ 139 = -0.9928057553956835
-0.9928057553956835 x 100 = -99.28%