Step 1: Divide the number into separate digits:
89528 => 8 9 5 2 8
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
8 to 9 = 1
9 to 5 = 4
5 to 2 = 3
2 to 8 = 6
8 to 8 = 0
Step 3: Combine the filters to a string:
1 4 3 6 0 = 14360