3870% is the change from 20 to 794
Calculation steps:
[( 794 - 20 ) ÷ 20] x 100 = 3870%
Formula
Percentage change = [(794 - 20) / 20] x 100
Subtract the new number by the original number
794 - 20 = 774
774 ÷ 20 = 38.7
38.7 x 100 = 3870%
Example