Step 1: Divide the number into separate digits:
92375 => 9 2 3 7 5
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 2 = 7
2 to 3 = 1
3 to 7 = 4
7 to 5 = 2
5 to 9 = 4
Step 3: Combine the filters to a string:
7 1 4 2 4 = 71424