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
St Louis 23 Seattle 16 -8.5
-0.2
New York 17 LA 14 +2.3
+0.1
Dallas 20 Houston 27 +1.3
Tampa Bay 25 DC 0 +0.6
If winner is:HomeTieAway
Week of 3/8100.0*Chance in playoffs100.0*Average seed
Houston vs Seattle-11.0*-1.8+11.0
-0.3-0.0+0.3
Dallas vs New York-4.3*-0.6+4.3
-0.1*-0.0+0.1
LA vs Tampa Bay-2.1*+0.7+2.1
-0.1*+0.0+0.1
DC vs St Louis-0.2*-0.9+0.2

* 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 Seattle finish out the regular season.   Explain

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
76-0-0In937153,136
6.55-0-199.2%67321728
65-1-094.640555900,511
4-0-2In60405
5.54-1-178.212662203,519
54-2-053.04494432,250,310
3-1-266.71750336
4.53-2-122.202262157,278
43-3-08.0855373,003,159
2-2-2Out703010
3.52-3-11.1135647,394
32-4-00.1018822,253,034
1-3-2Out1008
2.51-4-1Out4963,481
21-5-0Out199901,631
0-4-2Out1003
1-1.5Out100153,723*
Total:25.4%61932429,637,936

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs