10250% is the change from 8 to 828
Calculation steps:
[( 828 - 8 ) ÷ 8] x 100 = 10250%
Formula
Percentage change = [(828 - 8) / 8] x 100
Subtract the new number by the original number
828 - 8 = 820
820 ÷ 8 = 102.5
102.5 x 100 = 10250%
Example