2545% is the change from 20 to 529
Calculation steps:
[( 529 - 20 ) ÷ 20] x 100 = 2545%
Formula
Percentage change = [(529 - 20) / 20] x 100
Subtract the new number by the original number
529 - 20 = 509
509 ÷ 20 = 25.45
25.45 x 100 = 2545%
Example