How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/13100.0*Chance in playoffs100.0*Average seed
NickN 119.5 Bill 103.5 +1.1
-0.2
CoreyA 134.5 Stigs 81.5 -1.1
NickM 116 Aaron 75 -1.0
-0.2
CoreyB 87 Spar 123.5 -0.3
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Stigs vs Pete-31.9+0.0
-1.8+0.0
Bill vs CoreyB+0.1-0.0
+0.1-0.0
Colin vs NickM+0.0-0.1
-0.0+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
107-0In34264237,262
96-1In3293203,109,054
85-2100.0%00424314208,317,207
74-384.600829471416,998,643
63-419.400019611911,127,274
52-5Out868244,130
41-6Out40605
30-7Out1004,925
Total:89.9%103321161982019,798,500
Games Above .500
Chance Will Make Playoffs