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*Average seed
Vitek 90 John 110.7 +0.5
Matt 103.6 Trevor 98.8 +0.0
Marty 152 Sam 114.2 +0.0
Week of 11/28100.0*Average seed
Frank 90.7 Vitek 108 -0.2
Trevor 147.7 Sam 107.2 +0.1
John 84.7 Matt 166.4 -0.1
If winner is:HomeTieAway
Week of 12/5100.0*Average seed
Trevor vs John-0.8-0.6+1.2
Vitek vs Trey-0.4-0.3+0.2
Cole vs Sam+0.1-0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
41-0-0Out5739432,401,339
3.50-0-1Out7228784,813
30-1-0Out534745,254,068
Total:Out2316332778,440,220
Games Above .500
Chance Will Make Playoffs