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 +0.3
-0.1
AmericanKiwi 150.22 jeff_underscore 118.64 -0.3
-0.1
retnuh101 107.98 imjoshb 108.22 -0.2
a0ashle 93.12 BillyDaButcha 97.38 +0.1
OprahsTit 141.86 DarkPC 87.8 +0.0
NeilFlix 125.5 asmitty 120 +0.0
Week of 11/23100.0*Chance in playoffs100.0*Average seed
jeff_underscore 109.38 Sh0wbizChiz 119.96 -0.3
a0ashle 110.44 OprahsTit 140.58 +0.1
asmitty 106.92 Vacar 104.02 +0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
jeff_underscore vs asmitty+1.0-0.7
retnuh101 vs a0ashle+0.1-0.3

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
41-0Out712922,531,341
30-1Out10031,467,291
Total:Out30125853,998,632
Games Above .500
Chance Will Make Playoffs