1512.5% is the change from 24 to 387
Calculation steps:
[( 387 - 24 ) ÷ 24] x 100 = 1512.5%
Formula
Percentage change = [(387 - 24) / 24] x 100
Subtract the new number by the original number
387 - 24 = 363
363 ÷ 24 = 15.125
15.125 x 100 = 1512.5%
Example