40250% is the change from 2 to 807
Calculation steps:
[( 807 - 2 ) ÷ 2] x 100 = 40250%
Formula
Percentage change = [(807 - 2) / 2] x 100
Subtract the new number by the original number
807 - 2 = 805
805 ÷ 2 = 402.5
402.5 x 100 = 40250%
Example