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
retnuh101 107.98 imjoshb 108.22 -13.9
-0.8
Sh0wbizChiz 120.64 Vacar 83.82 +2.9
+0.1
OprahsTit 141.86 DarkPC 87.8 -0.6
-0.0
a0ashle 93.12 BillyDaButcha 97.38 -0.2
-0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
BillyDaButcha vs retnuh101-20.8+20.8
-1.2+1.2
asmitty vs Vacar+5.8-3.0
+0.2-0.1
jeff_underscore vs Sh0wbizChiz+4.4-2.3
+0.1-0.1
DarkPC vs imjoshb+3.7-1.0
+0.3-0.1
a0ashle vs OprahsTit+1.4-0.5
+0.2-0.1

What If

Chances based on how well the retnuh101 finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-0In257514,001,193
71-187.0%22155012121,519,657
60-26.063646127,543,374
Total:77.0%835826128243,064,224
Games Above .500
Chance Will Make Playoffs