40.12% is the change from 344 to 482
Calculation steps:
[( 482 - 344 ) ÷ 344] x 100 = 40.12%
Formula
Percentage change = [(482 - 344) / 344] x 100
Subtract the new number by the original number
482 - 344 = 138
138 ÷ 344 = 0.4011627906976744
0.4011627906976744 x 100 = 40.12%