1987.5% is the change from 24 to 501
Calculation steps:
[( 501 - 24 ) ÷ 24] x 100 = 1987.5%
Formula
Percentage change = [(501 - 24) / 24] x 100
Subtract the new number by the original number
501 - 24 = 477
477 ÷ 24 = 19.875
19.875 x 100 = 1987.5%
Example