42300% is the change from 1 to 424
Calculation steps:
[( 424 - 1 ) ÷ 1] x 100 = 42300%
Formula
Percentage change = [(424 - 1) / 1] x 100
Subtract the new number by the original number
424 - 1 = 423
423 ÷ 1 = 423
423 x 100 = 42300%
Example