15.63% is the change from 499 to 577
Calculation steps:
[( 577 - 499 ) ÷ 499] x 100 = 15.63%
Formula
Percentage change = [(577 - 499) / 499] x 100
Subtract the new number by the original number
577 - 499 = 78
78 ÷ 499 = 0.156312625250501
0.156312625250501 x 100 = 15.63%