4300% is the change from 10 to 440
Calculation steps:
[( 440 - 10 ) ÷ 10] x 100 = 4300%
Formula
Percentage change = [(440 - 10) / 10] x 100
Subtract the new number by the original number
440 - 10 = 430
430 ÷ 10 = 43
43 x 100 = 4300%
Example