27.65% is the change from 340 to 434
Calculation steps:
[( 434 - 340 ) ÷ 340] x 100 = 27.65%
Formula
Percentage change = [(434 - 340) / 340] x 100
Subtract the new number by the original number
434 - 340 = 94
94 ÷ 340 = 0.27647058823529413
0.27647058823529413 x 100 = 27.65%