123.74% is the change from 139 to 311
Calculation steps:
[( 311 - 139 ) ÷ 139] x 100 = 123.74%
Formula
Percentage change = [(311 - 139) / 139] x 100
Subtract the new number by the original number
311 - 139 = 172
172 ÷ 139 = 1.2374100719424461
1.2374100719424461 x 100 = 123.74%