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
retnuh101 107.98 imjoshb 108.22 +21.8
+0.9
OprahsTit 141.86 DarkPC 87.8 -4.2
-0.3
Sh0wbizChiz 120.64 Vacar 83.82 +2.5
a0ashle 93.12 BillyDaButcha 97.38 -0.4
NeilFlix 125.5 asmitty 120 +0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
DarkPC 61.7 imjoshb 123.32 +18.1
+0.8
asmitty 106.92 Vacar 104.02 +6.3
+0.2
BillyDaButcha 106.56 retnuh101 130.58 -3.6
jeff_underscore 109.38 Sh0wbizChiz 119.96 -2.6
-0.1
a0ashle 110.44 OprahsTit 140.58 +1.4
-0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
imjoshb vs OprahsTit+1.2-1.2
BillyDaButcha vs DarkPC-0.2+0.2
retnuh101 vs a0ashle-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In1008,675,836
70-1In68328,680,492
Total:In50341617,356,328
Games Above .500
Chance Will Make Playoffs