How are these numbers calculated?

Big Games

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

Week of 3/1100.0*Chance in playoffs100.0*Average seed
Dallas 20 Houston 27 +5.9
+0.3
New York 17 LA 14 +1.8
St Louis 23 Seattle 16 +0.9
+0.0
Tampa Bay 25 DC 0 +0.2
If winner is:HomeTieAway
Week of 3/8100.0*Chance in playoffs100.0*Average seed
Houston vs Seattle+0.6*-0.2-2.1
+0.0-0.0-0.1
Dallas vs New York-0.1*+0.0+0.2
LA vs Tampa Bay-0.1*-0.0+0.1
DC vs St Louis-0.0*-0.1+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 Houston finish out the regular season.   Explain

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
8.5-10In10012,906,920*
84-2-0In100010,563,604
3-1-2In10027
7.53-2-1In97324,194
73-3-0100.0%93706,216,269
2-2-2In10019
6.52-3-199.87426010,765
62-4-097.15938302,024,819
1-3-2In71297
5.51-4-187.925631202,321
51-5-061.81151326346,581
0-4-2In1001
4.50-5-119.02176516184
40-6-03.13435434,097
Total:99.3%9541032,129,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs