5250% is the change from 8 to 428
Calculation steps:
[( 428 - 8 ) ÷ 8] x 100 = 5250%
Formula
Percentage change = [(428 - 8) / 8] x 100
Subtract the new number by the original number
428 - 8 = 420
420 ÷ 8 = 52.5
52.5 x 100 = 5250%
Example