64.11% is the change from 496 to 814
Calculation steps:
[( 814 - 496 ) ÷ 496] x 100 = 64.11%
Formula
Percentage change = [(814 - 496) / 496] x 100
Subtract the new number by the original number
814 - 496 = 318
318 ÷ 496 = 0.6411290322580645
0.6411290322580645 x 100 = 64.11%