707.07% is the change from 99 to 799
Calculation steps:
[( 799 - 99 ) ÷ 99] x 100 = 707.07%
Formula
Percentage change = [(799 - 99) / 99] x 100
Subtract the new number by the original number
799 - 99 = 700
700 ÷ 99 = 7.070707070707071
7.070707070707071 x 100 = 707.07%