329.41% is the change from 102 to 438
Calculation steps:
[( 438 - 102 ) ÷ 102] x 100 = 329.41%
Formula
Percentage change = [(438 - 102) / 102] x 100
Subtract the new number by the original number
438 - 102 = 336
336 ÷ 102 = 3.2941176470588234
3.2941176470588234 x 100 = 329.41%