718.18% is the change from 99 to 810
Calculation steps:
[( 810 - 99 ) ÷ 99] x 100 = 718.18%
Formula
Percentage change = [(810 - 99) / 99] x 100
Subtract the new number by the original number
810 - 99 = 711
711 ÷ 99 = 7.181818181818182
7.181818181818182 x 100 = 718.18%