315% is the change from 120 to 498
Calculation steps:
[( 498 - 120 ) ÷ 120] x 100 = 315%
Formula
Percentage change = [(498 - 120) / 120] x 100
Subtract the new number by the original number
498 - 120 = 378
378 ÷ 120 = 3.15
3.15 x 100 = 315%
Example