23.55% is the change from 344 to 425
Calculation steps:
[( 425 - 344 ) ÷ 344] x 100 = 23.55%
Formula
Percentage change = [(425 - 344) / 344] x 100
Subtract the new number by the original number
425 - 344 = 81
81 ÷ 344 = 0.23546511627906977
0.23546511627906977 x 100 = 23.55%