39.83% is the change from 344 to 481
Calculation steps:
[( 481 - 344 ) ÷ 344] x 100 = 39.83%
Formula
Percentage change = [(481 - 344) / 344] x 100
Subtract the new number by the original number
481 - 344 = 137
137 ÷ 344 = 0.39825581395348836
0.39825581395348836 x 100 = 39.83%