How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
PARX 80.5 KEIT 77.5 -0.1
FISH 111.5 NOON 55 -0.1
If winner is:HomeTieAway
Week of 11/28100.0*Average seed
SA vs KEIT-0.1-0.1+0.1
FISH vs DD-0.1-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
3.52-0-0Out21793,972,052
1.5-3Out10012,741,084*
Total:Out59516,713,136

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs