40800% is the change from 1 to 409
Calculation steps:
[( 409 - 1 ) ÷ 1] x 100 = 40800%
Formula
Percentage change = [(409 - 1) / 1] x 100
Subtract the new number by the original number
409 - 1 = 408
408 ÷ 1 = 408
408 x 100 = 40800%
Example