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 +10.7
+0.7
retnuh101 107.98 imjoshb 108.22 -1.3
-0.1
Sh0wbizChiz 120.64 Vacar 83.82 +0.6
a0ashle 93.12 BillyDaButcha 97.38 +0.2
NeilFlix 125.5 asmitty 120 +0.1
-0.1
AmericanKiwi 150.22 jeff_underscore 118.64 -0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
a0ashle vs OprahsTit-3.8In
-0.5+0.5
jeff_underscore vs Sh0wbizChiz+2.2-2.2
+0.1-0.1
BillyDaButcha vs retnuh101-1.3+1.3
asmitty vs Vacar+1.0-1.0
DarkPC vs imjoshb+0.2-0.2
AmericanKiwi vs NeilFlix+0.1-0.1

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
92-0In25753,213,865
81-1In5619256,426,519
70-284.9%53321323,213,552
Total:96.2%64792683012,853,936
Games Above .500
Chance Will Make Playoffs