4.18% is the change from 478 to 498
Calculation steps:
[( 498 - 478 ) ÷ 478] x 100 = 4.18%
Formula
Percentage change = [(498 - 478) / 478] x 100
Subtract the new number by the original number
498 - 478 = 20
20 ÷ 478 = 0.04184100418410042
0.04184100418410042 x 100 = 4.18%