154.1% is the change from 122 to 310
Calculation steps:
[( 310 - 122 ) ÷ 122] x 100 = 154.1%
Formula
Percentage change = [(310 - 122) / 122] x 100
Subtract the new number by the original number
310 - 122 = 188
188 ÷ 122 = 1.540983606557377
1.540983606557377 x 100 = 154.1%