15.26% is the change from 308 to 355
Calculation steps:
[( 355 - 308 ) ÷ 308] x 100 = 15.26%
Formula
Percentage change = [(355 - 308) / 308] x 100
Subtract the new number by the original number
355 - 308 = 47
47 ÷ 308 = 0.1525974025974026
0.1525974025974026 x 100 = 15.26%