Step 1: Divide the number into separate digits:
89414 => 8 9 4 1 4
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
8 to 9 = 1
9 to 4 = 5
4 to 1 = 3
1 to 4 = 3
4 to 8 = 4
Step 3: Combine the filters to a string:
1 5 3 3 4 = 15334