727.27% is the change from 99 to 819
Calculation steps:
[( 819 - 99 ) ÷ 99] x 100 = 727.27%
Formula
Percentage change = [(819 - 99) / 99] x 100
Subtract the new number by the original number
819 - 99 = 720
720 ÷ 99 = 7.2727272727272725
7.2727272727272725 x 100 = 727.27%