70.76% is the change from 489 to 835
Calculation steps:
[( 835 - 489 ) ÷ 489] x 100 = 70.76%
Formula
Percentage change = [(835 - 489) / 489] x 100
Subtract the new number by the original number
835 - 489 = 346
346 ÷ 489 = 0.7075664621676891
0.7075664621676891 x 100 = 70.76%