9.71% is the change from 515 to 565
Calculation steps:
[( 565 - 515 ) ÷ 515] x 100 = 9.71%
Formula
Percentage change = [(565 - 515) / 515] x 100
Subtract the new number by the original number
565 - 515 = 50
50 ÷ 515 = 0.0970873786407767
0.0970873786407767 x 100 = 9.71%