329.29% is the change from 99 to 425
Calculation steps:
[( 425 - 99 ) ÷ 99] x 100 = 329.29%
Formula
Percentage change = [(425 - 99) / 99] x 100
Subtract the new number by the original number
425 - 99 = 326
326 ÷ 99 = 3.292929292929293
3.292929292929293 x 100 = 329.29%