20.63% is the change from 480 to 579
Calculation steps:
[( 579 - 480 ) ÷ 480] x 100 = 20.63%
Formula
Percentage change = [(579 - 480) / 480] x 100
Subtract the new number by the original number
579 - 480 = 99
99 ÷ 480 = 0.20625
0.20625 x 100 = 20.63%