2187.5% is the change from 24 to 549
Calculation steps:
[( 549 - 24 ) ÷ 24] x 100 = 2187.5%
Formula
Percentage change = [(549 - 24) / 24] x 100
Subtract the new number by the original number
549 - 24 = 525
525 ÷ 24 = 21.875
21.875 x 100 = 2187.5%
Example