288.62% is the change from 123 to 478
Calculation steps:
[( 478 - 123 ) ÷ 123] x 100 = 288.62%
Formula
Percentage change = [(478 - 123) / 123] x 100
Subtract the new number by the original number
478 - 123 = 355
355 ÷ 123 = 2.886178861788618
2.886178861788618 x 100 = 288.62%