807.07% is the change from 99 to 898
Calculation steps:
[( 898 - 99 ) ÷ 99] x 100 = 807.07%
Formula
Percentage change = [(898 - 99) / 99] x 100
Subtract the new number by the original number
898 - 99 = 799
799 ÷ 99 = 8.070707070707071
8.070707070707071 x 100 = 807.07%