139.84% is the change from 128 to 307
Calculation steps:
[( 307 - 128 ) ÷ 128] x 100 = 139.84%
Formula
Percentage change = [(307 - 128) / 128] x 100
Subtract the new number by the original number
307 - 128 = 179
179 ÷ 128 = 1.3984375
1.3984375 x 100 = 139.84%