298.33% is the change from 120 to 478
Calculation steps:
[( 478 - 120 ) ÷ 120] x 100 = 298.33%
Formula
Percentage change = [(478 - 120) / 120] x 100
Subtract the new number by the original number
478 - 120 = 358
358 ÷ 120 = 2.9833333333333334
2.9833333333333334 x 100 = 298.33%