3987.5% is the change from 24 to 981
Calculation steps:
[( 981 - 24 ) ÷ 24] x 100 = 3987.5%
Formula
Percentage change = [(981 - 24) / 24] x 100
Subtract the new number by the original number
981 - 24 = 957
957 ÷ 24 = 39.875
39.875 x 100 = 3987.5%
Example