5012.5% is the change from 8 to 409
Calculation steps:
[( 409 - 8 ) ÷ 8] x 100 = 5012.5%
Formula
Percentage change = [(409 - 8) / 8] x 100
Subtract the new number by the original number
409 - 8 = 401
401 ÷ 8 = 50.125
50.125 x 100 = 5012.5%
Example