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
JD 113.56 Matt 148.68 -0.5
Kevin 133.52 Michelle 112.4 +0.3
Debbie 86.86 Jen 139.88 +0.1
If winner is:HomeAway
Week of 12/1100.0*Average seed
Debbie vs JD-0.8+0.8
Jen vs Stacie-0.1+0.3
Johnny vs Michelle+0.3-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
102-0In49391124,176,521
91-1In315374527,978,749
80-2In06943,823,230
Total:In2325242955,978,500
Games Above .500
Chance Will Make Playoffs