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 +18.7
+1.2
Justin 125.4 Anton 115.82 +4.3
+0.2
Drew 98.98 Brian 126.48 -3.3
-0.0
Dan O 130.52 Nick 149.48 -2.0
-0.1
Cassidy 116.06 Dan V 127.32 -1.3
-0.1
Rob 133.1 Luke 15.6 -0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Tyler 104.73 Cassidy 79.96 +3.3
+0.4
Matt 125.06 Nick 154.62 +1.9
-0.1
Dan O 125.37 Brian 110.18 +1.4
+0.3
Rob 127.66 Drew 113.72 +0.2
+0.1
Dan V 121.68 Justin 111.91 -0.1
-0.1
Luke 58.52 Anton 164.02 -0.1
If winner is:HomeTieAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Tyler vs Justin+0.3+0.1-1.6
Nick vs Cassidy-0.1+0.5+0.6
Dan V vs Anton-0.3+0.4+0.4
Matt vs Brian+0.1+0.1-0.1
Luke vs Drew+0.1+0.1-0.0

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
91-0-0In18463763,144,231
8.50-0-1In640531,567,616
80-1-0In0217453613,728,369
Total:In1438348678,440,216
Games Above .500
Chance Will Make Playoffs