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
OprahsTit 141.86 DarkPC 87.8 +2.6
+0.2
Sh0wbizChiz 120.64 Vacar 83.82 +0.9
retnuh101 107.98 imjoshb 108.22 -0.8
-0.1
a0ashle 93.12 BillyDaButcha 97.38 +0.2
NeilFlix 125.5 asmitty 120 -0.0
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
a0ashle vs OprahsTit-2.3In
-0.4+0.2
jeff_underscore vs Sh0wbizChiz+0.5-0.3
BillyDaButcha vs retnuh101-0.4+0.4
asmitty vs Vacar+0.3-0.2
DarkPC vs imjoshb+0.4-0.1
AmericanKiwi vs NeilFlix+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
92-0In138717,836,473
81-1In33165220,076,075
70-292.3%5736705,151,676
Total:99.1%55173141043,064,224
Games Above .500
Chance Will Make Playoffs