How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Average seed
Coffey 1 Douglas 10 +0.4
Mantha 2 McEwen 6 +0.1
Lynch 10 Vollrath 1 -0.1
If winner is:HomeTieAway
Week of 11/29100.0*Average seed
Guest vs Mantha+0.4-0.3-0.7
Guest vs Gravel+0.2-0.7-0.8
Lynch vs McEwen-0.1-0.1+0.4

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678RelegatedCount
112-0-0In1387No42,371,489
101-0-1In2872No6,036,405
91-1-0In100No30,271,560*
80-1-1In3268No2,016,408
70-2-0In100No4,176,346
Total:In645427No84,872,208

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs