67.53% is the change from 308 to 516
Calculation steps:
[( 516 - 308 ) ÷ 308] x 100 = 67.53%
Formula
Percentage change = [(516 - 308) / 308] x 100
Subtract the new number by the original number
516 - 308 = 208
208 ÷ 308 = 0.6753246753246753
0.6753246753246753 x 100 = 67.53%