2655% is the change from 20 to 551
Calculation steps:
[( 551 - 20 ) ÷ 20] x 100 = 2655%
Formula
Percentage change = [(551 - 20) / 20] x 100
Subtract the new number by the original number
551 - 20 = 531
531 ÷ 20 = 26.55
26.55 x 100 = 2655%
Example