How are these numbers calculated?

Big Games

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

Week of 1/18100.0*Average seed
Douglas 4 Cornelius 5 +0.3
Gravel 4 Coffey 5 +0.1
If winner is:HomeTieAway
Week of 1/25100.0*Average seed
Mantha vs Vollrath+0.7-0.0-1.0
Coffey vs Joyce-0.0+0.1+0.1
Gravel vs Cornelius-0.0+0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678RelegatedCount
11-12In100No28,069,653*
101-1-0In6139No31,720,429
0-0-2In100No183,138
90-1-1In8453971No2,775,986
80-2-0In116128No10,545,402
Total:In6518394No73,294,608

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs