14.71% is the change from 306 to 351
Calculation steps:
[( 351 - 306 ) ÷ 306] x 100 = 14.71%
Formula
Percentage change = [(351 - 306) / 306] x 100
Subtract the new number by the original number
351 - 306 = 45
45 ÷ 306 = 0.14705882352941177
0.14705882352941177 x 100 = 14.71%