62.8% is the change from 500 to 814
Calculation steps:
[( 814 - 500 ) ÷ 500] x 100 = 62.8%
Formula
Percentage change = [(814 - 500) / 500] x 100
Subtract the new number by the original number
814 - 500 = 314
314 ÷ 500 = 0.628
0.628 x 100 = 62.8%
Example