40100% is the change from 2 to 804
Calculation steps:
[( 804 - 2 ) ÷ 2] x 100 = 40100%
Formula
Percentage change = [(804 - 2) / 2] x 100
Subtract the new number by the original number
804 - 2 = 802
802 ÷ 2 = 401
401 x 100 = 40100%
Example