742.42% is the change from 99 to 834
Calculation steps:
[( 834 - 99 ) ÷ 99] x 100 = 742.42%
Formula
Percentage change = [(834 - 99) / 99] x 100
Subtract the new number by the original number
834 - 99 = 735
735 ÷ 99 = 7.424242424242424
7.424242424242424 x 100 = 742.42%