42.18% is the change from 339 to 482
Calculation steps:
[( 482 - 339 ) ÷ 339] x 100 = 42.18%
Formula
Percentage change = [(482 - 339) / 339] x 100
Subtract the new number by the original number
482 - 339 = 143
143 ÷ 339 = 0.4218289085545723
0.4218289085545723 x 100 = 42.18%