10662.5% is the change from 8 to 861
Calculation steps:
[( 861 - 8 ) ÷ 8] x 100 = 10662.5%
Formula
Percentage change = [(861 - 8) / 8] x 100
Subtract the new number by the original number
861 - 8 = 853
853 ÷ 8 = 106.625
106.625 x 100 = 10662.5%
Example