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
NickM 116 Aaron 75 -6.1
-0.6
CoreyA 134.5 Stigs 81.5 -0.3
CoreyB 87 Spar 123.5 -0.2
NickN 119.5 Bill 103.5 -0.1
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Aaron vs NickN+2.8-2.8
+0.3-0.3
Colin vs NickM+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
77-099.6%0221432760038,458
66-146.10021331331740258,366
55-20.8018294220775,487
44-30.000225731,287,583
33-4Out03971,291,044
0-2Out1001,072,562*
Total:3.5%0000123615724,723,500

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs