7.97% is the change from 477 to 515
Calculation steps:
[( 515 - 477 ) ÷ 477] x 100 = 7.97%
Formula
Percentage change = [(515 - 477) / 477] x 100
Subtract the new number by the original number
515 - 477 = 38
38 ÷ 477 = 0.07966457023060797
0.07966457023060797 x 100 = 7.97%