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 -16.6
-1.9
NickN 119.5 Bill 103.5 -0.2
CoreyB 87 Spar 123.5 +0.2
NickM 116 Aaron 75 -0.1
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Spar vs CoreyA-2.7+0.0
-0.1+0.0
Bill vs CoreyB+0.4-0.1
Colin vs NickM-0.0+0.1
Stigs vs PeteIn*-0.0
+1.4-0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
117-0In9916,241
106-1In73141401,025,363
95-2In1130471109,983,747
84-3100.0%02165130207,429,162
73-499.30094247101,344,027
62-540.60634481105,033
51-6Out50502
40-7Out11894,925
Total:99.9%1017302514400019,798,500
Games Above .500
Chance Will Make Playoffs