3905% is the change from 20 to 801
Calculation steps:
[( 801 - 20 ) ÷ 20] x 100 = 3905%
Formula
Percentage change = [(801 - 20) / 20] x 100
Subtract the new number by the original number
801 - 20 = 781
781 ÷ 20 = 39.05
39.05 x 100 = 3905%
Example