3315% is the change from 20 to 683
Calculation steps:
[( 683 - 20 ) ÷ 20] x 100 = 3315%
Formula
Percentage change = [(683 - 20) / 20] x 100
Subtract the new number by the original number
683 - 20 = 663
663 ÷ 20 = 33.15
33.15 x 100 = 3315%
Example