2720% is the change from 20 to 564
Calculation steps:
[( 564 - 20 ) ÷ 20] x 100 = 2720%
Formula
Percentage change = [(564 - 20) / 20] x 100
Subtract the new number by the original number
564 - 20 = 544
544 ÷ 20 = 27.2
27.2 x 100 = 2720%
Example