842.42% is the change from 99 to 933
Calculation steps:
[( 933 - 99 ) ÷ 99] x 100 = 842.42%
Formula
Percentage change = [(933 - 99) / 99] x 100
Subtract the new number by the original number
933 - 99 = 834
834 ÷ 99 = 8.424242424242424
8.424242424242424 x 100 = 842.42%