3837.5% is the change from 24 to 945
Calculation steps:
[( 945 - 24 ) ÷ 24] x 100 = 3837.5%
Formula
Percentage change = [(945 - 24) / 24] x 100
Subtract the new number by the original number
945 - 24 = 921
921 ÷ 24 = 38.375
38.375 x 100 = 3837.5%
Example