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
9-10In100103,893*
83-2In91800173,187
72-3In164134910172,335
61-499.1%00212293219610086,350
50-511.002925332381016,949
Total:97.1%52151155531111000552,714

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs