79.14% is the change from 139 to 249
Calculation steps:
[( 249 - 139 ) ÷ 139] x 100 = 79.14%
Formula
Percentage change = [(249 - 139) / 139] x 100
Subtract the new number by the original number
249 - 139 = 110
110 ÷ 139 = 0.7913669064748201
0.7913669064748201 x 100 = 79.14%