66.47% is the change from 501 to 834
Calculation steps:
[( 834 - 501 ) ÷ 501] x 100 = 66.47%
Formula
Percentage change = [(834 - 501) / 501] x 100
Subtract the new number by the original number
834 - 501 = 333
333 ÷ 501 = 0.6646706586826348
0.6646706586826348 x 100 = 66.47%