10462.5% is the change from 8 to 845
Calculation steps:
[( 845 - 8 ) ÷ 8] x 100 = 10462.5%
Formula
Percentage change = [(845 - 8) / 8] x 100
Subtract the new number by the original number
845 - 8 = 837
837 ÷ 8 = 104.625
104.625 x 100 = 10462.5%
Example