42900% is the change from 1 to 430
Calculation steps:
[( 430 - 1 ) ÷ 1] x 100 = 42900%
Formula
Percentage change = [(430 - 1) / 1] x 100
Subtract the new number by the original number
430 - 1 = 429
429 ÷ 1 = 429
429 x 100 = 42900%
Example