2855% is the change from 20 to 591
Calculation steps:
[( 591 - 20 ) ÷ 20] x 100 = 2855%
Formula
Percentage change = [(591 - 20) / 20] x 100
Subtract the new number by the original number
591 - 20 = 571
571 ÷ 20 = 28.55
28.55 x 100 = 2855%
Example