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 -11.8
-0.7
CoreyA 134.5 Stigs 81.5 -1.0
CoreyB 87 Spar 123.5 -0.9
Pete 104 Colin 113 +0.6
NickM 116 Aaron 75 -0.3
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Bill vs CoreyB+13.4-13.4
+0.8-0.8
Aaron vs NickN+1.5-1.5
+0.1-0.1
Colin vs NickM+1.0-1.0
Stigs vs Pete+0.8-0.8
Spar vs CoreyA-0.3+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
107-0In961238,111
96-1In57182410258,554
85-2100.0%10294118300775,217
74-396.5010102932163001,291,076
63-446.710212323516201,290,689
52-52.30021847294773,688
41-60.001185328258,074
30-7Out2306838,091
Total:62.2%69111112131413834,723,500
Games Above .500
Chance Will Make Playoffs