2438.1% is the change from 21 to 533
Calculation steps:
[( 533 - 21 ) ÷ 21] x 100 = 2438.1%
Formula
Percentage change = [(533 - 21) / 21] x 100
Subtract the new number by the original number
533 - 21 = 512
512 ÷ 21 = 24.38095238095238
24.38095238095238 x 100 = 2438.1%