2662.5% is the change from 24 to 663
Calculation steps:
[( 663 - 24 ) ÷ 24] x 100 = 2662.5%
Formula
Percentage change = [(663 - 24) / 24] x 100
Subtract the new number by the original number
663 - 24 = 639
639 ÷ 24 = 26.625
26.625 x 100 = 2662.5%
Example