487.5% is the change from 8 to 47
Calculation steps:
[( 47 - 8 ) ÷ 8] x 100 = 487.5%
Formula
Percentage change = [(47 - 8) / 8] x 100
Subtract the new number by the original number
47 - 8 = 39
39 ÷ 8 = 4.875
4.875 x 100 = 487.5%
Example