32.14% is the change from 308 to 407
Calculation steps:
[( 407 - 308 ) ÷ 308] x 100 = 32.14%
Formula
Percentage change = [(407 - 308) / 308] x 100
Subtract the new number by the original number
407 - 308 = 99
99 ÷ 308 = 0.32142857142857145
0.32142857142857145 x 100 = 32.14%