4.6% is the change from 478 to 500
Calculation steps:
[( 500 - 478 ) ÷ 478] x 100 = 4.6%
Formula
Percentage change = [(500 - 478) / 478] x 100
Subtract the new number by the original number
500 - 478 = 22
22 ÷ 478 = 0.04602510460251046
0.04602510460251046 x 100 = 4.6%