How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 12/27100.0*Average seed
Northport 75 HHH West 69 +0.1

What If

Chances based on how well the Amityville finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
9-10In100984,794*
83-2In672940598,405
72-3In1154236600257,393
61-496.9%003153331143054,152
50-511.100110263621514,460
Total:99.7%7311751110000001,899,204

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs