14.52% is the change from 310 to 355
Calculation steps:
[( 355 - 310 ) ÷ 310] x 100 = 14.52%
Formula
Percentage change = [(355 - 310) / 310] x 100
Subtract the new number by the original number
355 - 310 = 45
45 ÷ 310 = 0.14516129032258066
0.14516129032258066 x 100 = 14.52%