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
Darin 48 Matt 69 -16.1
-1.1
Dane 74 Lori 56 -5.4
-0.3
Scott 100 Lin 99 +2.9
+0.1
Carolyn 96 Randy 68 -0.4
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Jake vs Darin-34.8+34.8
-1.2+1.2
Matt vs Lori+6.9-6.9
+0.3-0.3
Carolyn vs Nicole+5.7-5.7
+0.1-0.1
Lin vs Dane+2.5-2.5
+0.1-0.1
Randy vs Scott-0.3+0.3
-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
72-098.9%1729272512,410,815
61-155.141437301324,816,695
50-2Out142250142,410,430
Total:52.3%49142519121339,637,940
Games Above .500
Chance Will Make Playoffs