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 -12.7
-0.6
Doud 74 Pat Doud 115 +3.1
+0.1
JMatz 79 Brah 95 +1.5
+0.1
Sha 65 BShan 109 -0.3
Week of 11/29100.0*Chance in playoffs100.0*Average seed
DShan 128 Sasaki 115 +10.9
+0.6
Brah 104 Phil 86 -6.3
-0.1
Sha 127 RK 122 -2.8
-0.1
Doud 131 James 135 +2.8
+0.2
JMatz 152 Karl 94 -2.6
-0.2
BShan 118 Lotze 91 -0.8
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
DShan vs Brah+0.5-0.5

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
6.51-0-0Out50509,001,132
5.50-1-0Out50508,998,412
Total:Out25502517,999,544
Games Above .500
Chance Will Make Playoffs