2530% is the change from 20 to 526
Calculation steps:
[( 526 - 20 ) ÷ 20] x 100 = 2530%
Formula
Percentage change = [(526 - 20) / 20] x 100
Subtract the new number by the original number
526 - 20 = 506
506 ÷ 20 = 25.3
25.3 x 100 = 2530%
Example