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
AmericanKiwi 150.22 jeff_underscore 118.64 -2.7
-0.5
Sh0wbizChiz 120.64 Vacar 83.82 +1.1
retnuh101 107.98 imjoshb 108.22 -0.7
a0ashle 93.12 BillyDaButcha 97.38 -0.3
+0.2
OprahsTit 141.86 DarkPC 87.8 -0.1
+0.1
NeilFlix 125.5 asmitty 120 +0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
jeff_underscore vs Sh0wbizChiz+0.5-0.5
a0ashle vs OprahsTit-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
52-0Out94041103,214,166
41-1Out16483606,426,574
30-2Out75253,213,196
Total:Out210182637612,853,936
Games Above .500
Chance Will Make Playoffs