How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Suncoast Snook 89 Team of Greatness 123 In
+0.5
De more de mary 120 Team Komp 43 +1.7
-0.1
Pittsburgh Pyth 117 Balla$ 53 -0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Team of Greatness 109 Pittsburgh Pyth 153 -0.6
- Scheveningers 72 De more de mary 134 -0.2
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Team power vs Team of Greatness-0.3+0.3
Pittsburgh Pyth vs Team Komp-0.2+0.2
De more de mary vs Balla$-0.1+0.1

What If

Chances based on how well the Team of Greatness finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
101-0In9464516,719,645
90-1In10016,716,691
Total:In4237333,436,336
Games Above .500
Chance Will Make Playoffs