How to perform subtraction between sublists between the minimum list and the maximum list according to code block "(A-B) * - 1"

[Tiago]

Good afternoon

How to perform a subtraction following the order below:

[0] 4,167- [1] 3,084

[1] 3.084- [2] 3.0875 and
[1] 3.084 - [2] 0.8875 and continue in this sequence until the list ends.
keeping index

[Daan]

Use the OOTB node - and use the list levels to keep the same levels.