2412.5% is the change from 24 to 603
Calculation steps:
[( 603 - 24 ) ÷ 24] x 100 = 2412.5%
Formula
Percentage change = [(603 - 24) / 24] x 100
Subtract the new number by the original number
603 - 24 = 579
579 ÷ 24 = 24.125
24.125 x 100 = 2412.5%
Example