35.29% is the change from 306 to 414
Calculation steps:
[( 414 - 306 ) ÷ 306] x 100 = 35.29%
Formula
Percentage change = [(414 - 306) / 306] x 100
Subtract the new number by the original number
414 - 306 = 108
108 ÷ 306 = 0.35294117647058826
0.35294117647058826 x 100 = 35.29%