How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Dan O 130.52 Nick 149.48 -11.8
-0.7
Drew 98.98 Brian 126.48 -1.1
-0.1
Justin 125.4 Anton 115.82 +1.1
+0.1
Cassidy 116.06 Dan V 127.32 -0.8
+0.0
Matt 105.04 Tyler 110.04 -0.5
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Dan O 125.37 Brian 110.18 +0.4
Luke 58.52 Anton 164.02 -0.2
Tyler 104.73 Cassidy 79.96 +0.1
Dan V 121.68 Justin 111.91 +0.1
Matt 125.06 Nick 154.62 +0.1
If winner is:HomeTieAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Rob vs Dan O-0.5-0.5+0.5
Matt vs Brian-0.2-0.2+0.2
Dan V vs Anton+0.2-0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
61-0-0Out22492912,601,258
5-5.5Out10013,116,686*
Total:Out11246525,717,944

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs