Explanation:
There are many ways of doing this.
Here are three different ways:
Common difference, -1
24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1
Common difference, -5
24, 19, 14, 9, 4, -1
Common difference, -25
24, -1