776.77% is the change from 99 to 868
Calculation steps:
[( 868 - 99 ) ÷ 99] x 100 = 776.77%
Formula
Percentage change = [(868 - 99) / 99] x 100
Subtract the new number by the original number
868 - 99 = 769
769 ÷ 99 = 7.767676767676767
7.767676767676767 x 100 = 776.77%