26.16% is the change from 344 to 434
Calculation steps:
[( 434 - 344 ) ÷ 344] x 100 = 26.16%
Formula
Percentage change = [(434 - 344) / 344] x 100
Subtract the new number by the original number
434 - 344 = 90
90 ÷ 344 = 0.2616279069767442
0.2616279069767442 x 100 = 26.16%