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*Chance in playoffs100.0*Average seed
Wright 6 Wallace 15 -11.6
-0.2
Franklin 6 Mitchell 3 +2.5
+0.1
Zwiefel 14 Hamilton 4 -2.3
If winner is:HomeAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Mitchell vs WrightOutIn
-0.7+0.3

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
51-0In10064,425,902
40-1Out10023,562,697
Total:73.2%732787,988,599
Games Above .500
Chance Will Make Playoffs