4200% is the change from 10 to 430
Calculation steps:
[( 430 - 10 ) ÷ 10] x 100 = 4200%
Formula
Percentage change = [(430 - 10) / 10] x 100
Subtract the new number by the original number
430 - 10 = 420
420 ÷ 10 = 42
42 x 100 = 4200%
Example