5212.5% is the change from 8 to 425
Calculation steps:
[( 425 - 8 ) ÷ 8] x 100 = 5212.5%
Formula
Percentage change = [(425 - 8) / 8] x 100
Subtract the new number by the original number
425 - 8 = 417
417 ÷ 8 = 52.125
52.125 x 100 = 5212.5%
Example