3445% is the change from 20 to 709
Calculation steps:
[( 709 - 20 ) ÷ 20] x 100 = 3445%
Formula
Percentage change = [(709 - 20) / 20] x 100
Subtract the new number by the original number
709 - 20 = 689
689 ÷ 20 = 34.45
34.45 x 100 = 3445%
Example