Step 1: Divide the number into separate digits:
95048 => 9 5 0 4 8
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 5 = 4
5 to 0 = 5
0 to 4 = 4
4 to 8 = 4
8 to 9 = 1
Step 3: Combine the filters to a string:
4 5 4 4 1 = 45441