4290% is the change from 10 to 439
Calculation steps:
[( 439 - 10 ) ÷ 10] x 100 = 4290%
Formula
Percentage change = [(439 - 10) / 10] x 100
Subtract the new number by the original number
439 - 10 = 429
429 ÷ 10 = 42.9
42.9 x 100 = 4290%
Example