15.91% is the change from 308 to 357
Calculation steps:
[( 357 - 308 ) ÷ 308] x 100 = 15.91%
Formula
Percentage change = [(357 - 308) / 308] x 100
Subtract the new number by the original number
357 - 308 = 49
49 ÷ 308 = 0.1590909090909091
0.1590909090909091 x 100 = 15.91%