45.43% is the change from 339 to 493
Calculation steps:
[( 493 - 339 ) ÷ 339] x 100 = 45.43%
Formula
Percentage change = [(493 - 339) / 339] x 100
Subtract the new number by the original number
493 - 339 = 154
154 ÷ 339 = 0.45427728613569324
0.45427728613569324 x 100 = 45.43%