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
a0ashle 93.12 BillyDaButcha 97.38 +23.8
+1.1
Sh0wbizChiz 120.64 Vacar 83.82 +2.6
retnuh101 107.98 imjoshb 108.22 -1.7
+0.1
NeilFlix 125.5 asmitty 120 +1.3
+0.1
AmericanKiwi 150.22 jeff_underscore 118.64 -0.2
OprahsTit 141.86 DarkPC 87.8 -0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
BillyDaButcha 106.56 retnuh101 130.58 -18.2
-1.1
asmitty 106.92 Vacar 104.02 +5.2
+0.1
DarkPC 61.7 imjoshb 123.32 -3.4
-0.1
a0ashle 110.44 OprahsTit 140.58 +2.4
jeff_underscore 109.38 Sh0wbizChiz 119.96 -2.1
-0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
BillyDaButcha vs DarkPCIn-31.7
+1.0-1.0
Sh0wbizChiz vs AmericanKiwi-18.2+18.2
-0.3+0.3
Vacar vs NeilFlix-6.8+6.8
-0.2+0.2
retnuh101 vs a0ashle-0.3+0.3
imjoshb vs OprahsTit-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-0In3632328,675,760
60-136.5%3737278,680,568
Total:68.2%181634181317,356,328
Games Above .500
Chance Will Make Playoffs