8.63% is the change from 139 to 151
Calculation steps:
[( 151 - 139 ) ÷ 139] x 100 = 8.63%
Formula
Percentage change = [(151 - 139) / 139] x 100
Subtract the new number by the original number
151 - 139 = 12
12 ÷ 139 = 0.08633093525179857
0.08633093525179857 x 100 = 8.63%