4.38% is the change from 479 to 500
Calculation steps:
[( 500 - 479 ) ÷ 479] x 100 = 4.38%
Formula
Percentage change = [(500 - 479) / 479] x 100
Subtract the new number by the original number
500 - 479 = 21
21 ÷ 479 = 0.04384133611691023
0.04384133611691023 x 100 = 4.38%