665.14% is the change from 109 to 834
Calculation steps:
[( 834 - 109 ) ÷ 109] x 100 = 665.14%
Formula
Percentage change = [(834 - 109) / 109] x 100
Subtract the new number by the original number
834 - 109 = 725
725 ÷ 109 = 6.651376146788991
6.651376146788991 x 100 = 665.14%