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
New York 17 LA 14 -7.8
-0.2
Dallas 20 Houston 27 +3.9
St Louis 23 Seattle 16 +0.7
+0.0
Tampa Bay 25 DC 0 -0.4
If winner is:HomeTieAway
Week of 3/8100.0*Chance in playoffs100.0*Average seed
LA vs Tampa Bay+4.4-2.7-7.0
+0.1-0.1-0.2
Dallas vs New York-2.9+2.3+7.2
-0.0+0.0+0.1
Houston vs Seattle+0.6*+0.2-1.9
+0.0-0.0-0.1
DC vs St Louis+0.2*+0.3-0.1

* 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 LA finish out the regular season.   Explain

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
76-0-099.9%28720387,504
6.55-0-193.3108371,922
65-1-080.0476202,655,460
4-0-2In1002
5.54-1-159.915940011,172
54-2-039.40395917,381,668
3-1-244.0445625
4.53-2-118.61976624,224
43-3-07.57731910,396,159
2-2-24.85761921
3.52-3-11.11574224,802
32-4-00.2037637,805,816
1-3-2Out406015
2.51-4-1Out128812,139
21-5-0Out4962,967,255
0-4-2Out1004
1-1.5Out100461,620*
Total:19.4%119493232,129,808

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs