10187.5% is the change from 8 to 823
Calculation steps:
[( 823 - 8 ) ÷ 8] x 100 = 10187.5%
Formula
Percentage change = [(823 - 8) / 8] x 100
Subtract the new number by the original number
823 - 8 = 815
815 ÷ 8 = 101.875
101.875 x 100 = 10187.5%
Example