67.13% is the change from 499 to 834
Calculation steps:
[( 834 - 499 ) ÷ 499] x 100 = 67.13%
Formula
Percentage change = [(834 - 499) / 499] x 100
Subtract the new number by the original number
834 - 499 = 335
335 ÷ 499 = 0.6713426853707415
0.6713426853707415 x 100 = 67.13%