How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Swan 144 Eric 110 -18.1
-0.4
Jake 142 Brenden 123 -17.3
-0.1
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Mahoney vs EricOut+42.4
-0.2+0.5
Graham vs Jake+3.1-4.2
+0.1-0.1
Tim vs Brenden+1.1-4.2
+0.0-0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
62-070.4%21503013,307,683
4-5Out10065,132,525*
Total:12.0%488878,440,208

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs