382.83% is the change from 99 to 478
Calculation steps:
[( 478 - 99 ) ÷ 99] x 100 = 382.83%
Formula
Percentage change = [(478 - 99) / 99] x 100
Subtract the new number by the original number
478 - 99 = 379
379 ÷ 99 = 3.8282828282828283
3.8282828282828283 x 100 = 382.83%