How are these numbers calculated?

Big Games

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

Week of 10/13100.0*Average seed
Babylon 46 Center Moriches 14 +0.4
Mercy 14 Hampton Bays 7 -0.1
Week of 10/20100.0*Average seed
SWR 26 Babylon 29 +0.4
Miller Place 28 Mt. Sinai 14 -0.0
Week of 10/27None

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011121314Count
7-8In10010,281,128*
Total:In10010,281,128

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs