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
Sha 65 BShan 109 -8.0
-0.6
Doud 74 Pat Doud 115 +2.2
DShan 91 Pulver 101 +2.0
+0.1
JMatz 79 Brah 95 -1.0
-0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Sha 127 RK 122 +8.0
+0.6
Doud 131 James 135 +4.7
DShan 128 Sasaki 115 -3.1
-0.1
Brah 104 Phil 86 -3.0
-0.2
BShan 118 Lotze 91 +0.4
-0.2
JMatz 152 Karl 94 +0.2
Pat Doud 95 Pulver 111 +0.1
+0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Sha vs Pat Doud+1.0-1.0
BShan vs Karl-0.3+0.3
DShan vs Brah+0.2-0.3

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567Count
81-0-0In603829,000,381
70-1-0In938528,999,163
Total:In3024202617,999,544
Games Above .500
Chance Will Make Playoffs