3295% is the change from 20 to 679
Calculation steps:
[( 679 - 20 ) ÷ 20] x 100 = 3295%
Formula
Percentage change = [(679 - 20) / 20] x 100
Subtract the new number by the original number
679 - 20 = 659
659 ÷ 20 = 32.95
32.95 x 100 = 3295%
Example