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
CoreyA 134.5 Stigs 81.5 +12.4
+0.7
CoreyB 87 Spar 123.5 -1.1
Pete 104 Colin 113 +0.8
NickN 119.5 Bill 103.5 -0.3
NickM 116 Aaron 75 -0.2
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Spar vs CoreyA-15.0+15.0
-0.9+0.9
Aaron vs NickN+1.4-1.4
+0.1-0.1
Colin vs NickM+1.2-1.2
Bill vs CoreyB-0.8+0.8
Stigs vs Pete-0.4+0.4
-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
107-0In7623137,900
96-1In39461510257,574
85-2In638371720774,629
74-397.2%08103233153001,291,096
63-445.100111323617201,290,753
52-51.20011341377774,257
41-6Out074647259,193
30-7Out0118838,098
Total:61.7%411101213131312944,723,500
Games Above .500
Chance Will Make Playoffs