40100% is the change from 1 to 402
Calculation steps:
[( 402 - 1 ) ÷ 1] x 100 = 40100%
Formula
Percentage change = [(402 - 1) / 1] x 100
Subtract the new number by the original number
402 - 1 = 401
401 ÷ 1 = 401
401 x 100 = 40100%
Example