339.73% is the change from 146 to 642
Calculation steps:
[( 642 - 146 ) ÷ 146] x 100 = 339.73%
Formula
Percentage change = [(642 - 146) / 146] x 100
Subtract the new number by the original number
642 - 146 = 496
496 ÷ 146 = 3.3972602739726026
3.3972602739726026 x 100 = 339.73%