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
Jake 119.2 Derek 108.6 -6.8
-0.5
Brandon 82.5 Sara 89.2 +1.2
+0.1
Michael 88.3 Dan 109.9 +1.1
+0.1
Mark 87.2 Ryan 78.7 +1.0
+0.0
David 74.9 Josh 101.1 -0.4
-0.0
Jonathan 113.2 Andrew 131.5 -0.1
+0.0
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Derek vs Jonathan+4.5-6.3
+0.8-1.1
Ryan vs Jake-4.8+2.5
-0.1+0.1
Josh vs Mark-4.2+0.5
-0.2+0.0
Andrew vs Brandon+0.2-0.5
+0.1-0.2
Dan vs David-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
73-040.7%414811004,516,829
62-14.1426442140012,221,517
51-2Out0524352491010,912,494
40-3Out8384593,202,616
Total:7.6%8172117141075130,853,456
Games Above .500
Chance Will Make Playoffs