And that's generally one of the points with the math. If you get a negative percentage you've got choices out of order somewhere along the line.
Actually - it is (materially) - IF you order your choices correctly. And the data strongly supports it. We'll agree to disagree.
Regarding choice order and the impact it has on a hunt's odds, in general you can reliably estimate that with some simple math. For example, let's say you have 5 choices:
Choice 1, 10% odds
Choice 2, 15% odds
Choice 3, 20% odds
Choice 4, 25% odds
Choice 5, 30% odds
The first thing to note is...