500% is the change from 8 to 48
Calculation steps:
[( 48 - 8 ) ÷ 8] x 100 = 500%
Formula
Percentage change = [(48 - 8) / 8] x 100
Subtract the new number by the original number
48 - 8 = 40
40 ÷ 8 = 5
5 x 100 = 500%
Example