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
Matt 105.04 Tyler 110.04 +22.9
+1.2
Justin 125.4 Anton 115.82 +3.4
+0.1
Cassidy 116.06 Dan V 127.32 -2.5
-0.1
Drew 98.98 Brian 126.48 -1.7
Dan O 130.52 Nick 149.48 -1.6
-0.1
Rob 133.1 Luke 15.6 -0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Tyler 104.73 Cassidy 79.96 +14.7
+1.0
Matt 125.06 Nick 154.62 +4.2
-0.0
Luke 58.52 Anton 164.02 -2.1
-0.1
Dan O 125.37 Brian 110.18 +1.5
+0.2
Rob 127.66 Drew 113.72 +1.4
+0.1
Dan V 121.68 Justin 111.91 -0.8
-0.2
If winner is:HomeTieAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Tyler vs Justin+1.0+0.8-1.0
Nick vs Cassidy-0.3+0.2+0.3
Dan V vs Anton-0.3+0.2+0.3
Matt vs Brian+0.2+0.2-0.2
Luke vs Drew+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
91-0-0In32491912,600,543
8.50-0-1In245026512,381
80-1-0In1430462012,605,020
Total:In172724231025,717,944
Games Above .500
Chance Will Make Playoffs