How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Top seed100.0*Average seed
No1 Harsent 106.92 Leon's Deep Sle 103.52 +39.0
+0.6
Dances with Tot 91 San Franciscan 112.28 +5.8
+0.2
Davy Potters Fa 102.06 Liverpool Lemurs 87.66 +0.1
If winner is:HomeAway
Week of 11/23100.0*Top seed100.0*Average seed
1-6 I Like Twix vs No1 Harsent-14.4+2.9
-0.2+0.0
Leon's Deep Sle vs Dances with Tot-0.1+0.1
Liverpool Lemurs vs Commando Clowns+0.0-0.1

What If

Chances based on how well the No1 Harsent finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TWW-Lplayoffsseed123456789101112Count
11-12InYes10035,143,309*
101-2In50.2%504813,176,156
90-3In2.424046110242,343
Total:In95.3%95400038,561,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs