330.39% is the change from 102 to 439
Calculation steps:
[( 439 - 102 ) ÷ 102] x 100 = 330.39%
Formula
Percentage change = [(439 - 102) / 102] x 100
Subtract the new number by the original number
439 - 102 = 337
337 ÷ 102 = 3.303921568627451
3.303921568627451 x 100 = 330.39%