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
Nicole 116 Jake 83 +18.8
+1.0
Dane 74 Lori 56 -5.0
-0.2
Carolyn 96 Randy 68 -3.0
-0.1
Darin 48 Matt 69 +2.2
+0.1
Scott 100 Lin 99 +1.5
+0.2
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Carolyn vs Nicole-26.5+26.5
-1.1+1.1
Lin vs Dane+6.4-6.4
+0.1-0.1
Jake vs Darin+4.9-4.9
-0.1+0.1
Matt vs Lori+3.2-3.2
+0.1-0.1
Randy vs Scott+0.3-0.3
+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
72-096.1%1125415221942,408,738
61-129.40624472314,818,093
50-2Out2359182,411,109
Total:38.7%3614816302659,637,940
Games Above .500
Chance Will Make Playoffs