60.97% is the change from 515 to 829
Calculation steps:
[( 829 - 515 ) ÷ 515] x 100 = 60.97%
Formula
Percentage change = [(829 - 515) / 515] x 100
Subtract the new number by the original number
829 - 515 = 314
314 ÷ 515 = 0.6097087378640776
0.6097087378640776 x 100 = 60.97%