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
DShan 91 Pulver 101 -8.6
-0.4
Doud 74 Pat Doud 115 +2.3
+0.1
Sha 65 BShan 109 -0.9
JMatz 79 Brah 95 +0.5
+0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
DShan 128 Sasaki 115 +7.2
+0.5
Brah 104 Phil 86 -3.0
-0.1
Sha 127 RK 122 -2.1
-0.0
JMatz 152 Karl 94 -1.6
-0.2
Doud 131 James 135 +1.4
+0.1
BShan 118 Lotze 91 -0.4
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
DShan vs Brah+0.6-0.4
Doud vs JMatz-0.1+0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567Count
6.51-0-0Out465421,203,773
5.50-1-0Out544632,794,859
Total:Out18542853,998,632
Games Above .500
Chance Will Make Playoffs