25% is the change from 344 to 430
Calculation steps:
[( 430 - 344 ) ÷ 344] x 100 = 25%
Formula
Percentage change = [(430 - 344) / 344] x 100
Subtract the new number by the original number
430 - 344 = 86
86 ÷ 344 = 0.25
0.25 x 100 = 25%
Example