708.08% is the change from 99 to 800
Calculation steps:
[( 800 - 99 ) ÷ 99] x 100 = 708.08%
Formula
Percentage change = [(800 - 99) / 99] x 100
Subtract the new number by the original number
800 - 99 = 701
701 ÷ 99 = 7.08080808080808
7.08080808080808 x 100 = 708.08%