12.92% is the change from 511 to 577
Calculation steps:
[( 577 - 511 ) ÷ 511] x 100 = 12.92%
Formula
Percentage change = [(577 - 511) / 511] x 100
Subtract the new number by the original number
577 - 511 = 66
66 ÷ 511 = 0.12915851272015655
0.12915851272015655 x 100 = 12.92%