16.1% is the change from 497 to 577
Calculation steps:
[( 577 - 497 ) ÷ 497] x 100 = 16.1%
Formula
Percentage change = [(577 - 497) / 497] x 100
Subtract the new number by the original number
577 - 497 = 80
80 ÷ 497 = 0.16096579476861167
0.16096579476861167 x 100 = 16.1%