How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Jonathan 113.2 Andrew 131.5 -0.5
-0.4
Michael 88.3 Dan 109.9 +0.2
-0.1
Brandon 82.5 Sara 89.2 +0.1
-0.1
Jake 119.2 Derek 108.6 +0.1
+0.0
Mark 87.2 Ryan 78.7 +0.1
David 74.9 Josh 101.1 +0.0
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Derek vs JonathanOut+0.1
-0.6+0.8
Ryan vs Jake-0.1+0.0
Andrew vs Brandon+0.0-0.1
+0.0-0.1
Josh vs Mark-0.1+0.0
Dan vs David+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
63-01.7%2143633132001,472,049
52-1Out002724432317,798,921
41-2Out015504413,680,795
30-3Out14867,901,691
Total:0.1%01222613324230,853,456
Games Above .500
Chance Will Make Playoffs