12.04% is the change from 515 to 577
Calculation steps:
[( 577 - 515 ) ÷ 515] x 100 = 12.04%
Formula
Percentage change = [(577 - 515) / 515] x 100
Subtract the new number by the original number
577 - 515 = 62
62 ÷ 515 = 0.1203883495145631
0.1203883495145631 x 100 = 12.04%