42.74% is the change from 234 to 334
Calculation steps:
[( 334 - 234 ) ÷ 234] x 100 = 42.74%
Formula
Percentage change = [(334 - 234) / 234] x 100
Subtract the new number by the original number
334 - 234 = 100
100 ÷ 234 = 0.42735042735042733
0.42735042735042733 x 100 = 42.74%