How are these numbers calculated?

Big Games

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

Week of 3/8100.0*Chance in playoffs100.0*Average seed
Houston 32 Seattle 23 +0.6
+0.0
Dallas 12 New York 30 +0.2
If winner is:HomeTieAway
Week of 3/15100.0*Chance in playoffs100.0*Average seed
New York vs Houston-0.1*-0.0+0.1

* 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 Houston finish out the regular season.   Explain

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
7.5-10In10025,725,430*
72-3-0In9644,163,837
1-2-2In10010
6.51-3-1In9194,793
61-4-099.6%72280868,178
5.50-4-195.945514514
50-5-082.9176617080,646
Total:99.9%9820030,843,408

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs