How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Average seed
Debbie 86.86 Jen 139.88 -0.5
Kevin 133.52 Michelle 112.4 +0.2
JD 113.56 Matt 148.68 +0.1
If winner is:HomeAway
Week of 12/1100.0*Average seed
Debbie vs JD+0.8-0.8
Jen vs Stacie-0.2+0.2
Johnny vs Michelle+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
102-0In772124,399,138
91-1In163434168,790,632
80-2In221774,397,730
Total:In2723232717,587,500
Games Above .500
Chance Will Make Playoffs