20.46% is the change from 479 to 577
Calculation steps:
[( 577 - 479 ) ÷ 479] x 100 = 20.46%
Formula
Percentage change = [(577 - 479) / 479] x 100
Subtract the new number by the original number
577 - 479 = 98
98 ÷ 479 = 0.2045929018789144
0.2045929018789144 x 100 = 20.46%