24.13% is the change from 344 to 427
Calculation steps:
[( 427 - 344 ) ÷ 344] x 100 = 24.13%
Formula
Percentage change = [(427 - 344) / 344] x 100
Subtract the new number by the original number
427 - 344 = 83
83 ÷ 344 = 0.24127906976744187
0.24127906976744187 x 100 = 24.13%