696.97% is the change from 99 to 789
Calculation steps:
[( 789 - 99 ) ÷ 99] x 100 = 696.97%
Formula
Percentage change = [(789 - 99) / 99] x 100
Subtract the new number by the original number
789 - 99 = 690
690 ÷ 99 = 6.96969696969697
6.96969696969697 x 100 = 696.97%