2404.76% is the change from 21 to 526
Calculation steps:
[( 526 - 21 ) ÷ 21] x 100 = 2404.76%
Formula
Percentage change = [(526 - 21) / 21] x 100
Subtract the new number by the original number
526 - 21 = 505
505 ÷ 21 = 24.047619047619047
24.047619047619047 x 100 = 2404.76%