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
Sh0wbizChiz 120.64 Vacar 83.82 +15.6
+1.0
OprahsTit 141.86 DarkPC 87.8 -1.6
NeilFlix 125.5 asmitty 120 +0.7
+0.2
a0ashle 93.12 BillyDaButcha 97.38 +0.4
+0.1
retnuh101 107.98 imjoshb 108.22 -0.3
AmericanKiwi 150.22 jeff_underscore 118.64 +0.2
+0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
jeff_underscore vs Sh0wbizChiz-21.8+21.8
-0.9+0.9
BillyDaButcha vs retnuh101+6.5-6.5
+0.2-0.2
a0ashle vs OprahsTit-3.4+3.4
-0.2+0.2
asmitty vs Vacar+2.2-2.2
+0.1-0.1
DarkPC vs imjoshb+1.5-1.5
+0.1-0.1

What If

Chances based on how well the Sh0wbizChiz finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-087.1%45421213,215,391
61-112.30124533106,423,965
50-2Out01942393,214,580
Total:27.9%12162622151012,853,936
Games Above .500
Chance Will Make Playoffs