2037.5% is the change from 24 to 513
Calculation steps:
[( 513 - 24 ) ÷ 24] x 100 = 2037.5%
Formula
Percentage change = [(513 - 24) / 24] x 100
Subtract the new number by the original number
513 - 24 = 489
489 ÷ 24 = 20.375
20.375 x 100 = 2037.5%
Example