2212.5% is the change from 24 to 555
Calculation steps:
[( 555 - 24 ) ÷ 24] x 100 = 2212.5%
Formula
Percentage change = [(555 - 24) / 24] x 100
Subtract the new number by the original number
555 - 24 = 531
531 ÷ 24 = 22.125
22.125 x 100 = 2212.5%
Example