How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Dane 74 Lori 56 +24.4
+1.9
Carolyn 96 Randy 68 -1.8
-0.0
Scott 100 Lin 99 +0.9
+0.0
Nicole 116 Jake 83 -0.6
Darin 48 Matt 69 -0.3
-0.2
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Lin vs Dane-9.6In
-1.3+0.7
Carolyn vs Nicole+0.7-1.0
Matt vs Lori-0.2+0.2
-0.4+0.5
Jake vs Darin-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
82-0In104935715,073,166
71-1In131232717113,923,830
60-246.8%120926331823,132,824
Total:94.8%53726158332032,129,820
Games Above .500
Chance Will Make Playoffs