806.06% is the change from 99 to 897
Calculation steps:
[( 897 - 99 ) ÷ 99] x 100 = 806.06%
Formula
Percentage change = [(897 - 99) / 99] x 100
Subtract the new number by the original number
897 - 99 = 798
798 ÷ 99 = 8.06060606060606
8.06060606060606 x 100 = 806.06%