Step 1: Divide the number into separate digits:
08882 => 0 8 8 8 2
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
0 to 8 = 8
8 to 8 = 0
8 to 8 = 0
8 to 2 = 6
2 to 0 = 2
Step 3: Combine the filters to a string:
8 0 0 6 2 = 80062