How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/16100.0*Chance in playoffs100.0*Average seed
OprahsTit 141.86 DarkPC 87.8 +10.7
+0.7
retnuh101 107.98 imjoshb 108.22 -1.3
-0.1
Sh0wbizChiz 120.64 Vacar 83.82 +0.6
a0ashle 93.12 BillyDaButcha 97.38 +0.2
NeilFlix 125.5 asmitty 120 +0.1
-0.1
AmericanKiwi 150.22 jeff_underscore 118.64 -0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
a0ashle 110.44 OprahsTit 140.58 In
+0.5
jeff_underscore 109.38 Sh0wbizChiz 119.96 -2.2
-0.1
BillyDaButcha 106.56 retnuh101 130.58 +1.3
asmitty 106.92 Vacar 104.02 +0.9
DarkPC 61.7 imjoshb 123.32 -0.2
AmericanKiwi 117.64 NeilFlix 137.6 -0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
imjoshb vs OprahsTit-1.0+1.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In1008,680,492
80-1In1008,675,836
Total:In505017,356,328
Games Above .500
Chance Will Make Playoffs