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 -13.7
-0.8
Sh0wbizChiz 120.64 Vacar 83.82 +3.5
-0.1
retnuh101 107.98 imjoshb 108.22 -2.3
OprahsTit 141.86 DarkPC 87.8 -0.6
AmericanKiwi 150.22 jeff_underscore 118.64 +0.1
+0.0
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+7.9Out
+0.9-0.4
BillyDaButcha vs retnuh101+1.9-1.9
asmitty vs Vacar+1.8-1.0
-0.1+0.1
DarkPC vs imjoshb+2.2-0.6
jeff_underscore vs Sh0wbizChiz-0.7+0.4
-0.1+0.0

What If

Chances based on how well the a0ashle finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
62-031.3%328412354,271,454
51-1Out1576918,720,760
40-2Out246313120,072,010
Total:3.1%034944336043,064,224
Games Above .500
Chance Will Make Playoffs