60.85% is the change from 516 to 830
Calculation steps:
[( 830 - 516 ) ÷ 516] x 100 = 60.85%
Formula
Percentage change = [(830 - 516) / 516] x 100
Subtract the new number by the original number
830 - 516 = 314
314 ÷ 516 = 0.6085271317829457
0.6085271317829457 x 100 = 60.85%