42700% is the change from 1 to 428
Calculation steps:
[( 428 - 1 ) ÷ 1] x 100 = 42700%
Formula
Percentage change = [(428 - 1) / 1] x 100
Subtract the new number by the original number
428 - 1 = 427
427 ÷ 1 = 427
427 x 100 = 42700%
Example