71.6% is the change from 486 to 834
Calculation steps:
[( 834 - 486 ) ÷ 486] x 100 = 71.6%
Formula
Percentage change = [(834 - 486) / 486] x 100
Subtract the new number by the original number
834 - 486 = 348
348 ÷ 486 = 0.7160493827160493
0.7160493827160493 x 100 = 71.6%