3845% is the change from 20 to 789
Calculation steps:
[( 789 - 20 ) ÷ 20] x 100 = 3845%
Formula
Percentage change = [(789 - 20) / 20] x 100
Subtract the new number by the original number
789 - 20 = 769
769 ÷ 20 = 38.45
38.45 x 100 = 3845%
Example