2780% is the change from 20 to 576
Calculation steps:
[( 576 - 20 ) ÷ 20] x 100 = 2780%
Formula
Percentage change = [(576 - 20) / 20] x 100
Subtract the new number by the original number
576 - 20 = 556
556 ÷ 20 = 27.8
27.8 x 100 = 2780%
Example