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 +6.0
+0.2
Tampa Bay 25 DC 0 +3.2
-0.1
St Louis 23 Seattle 16 -0.8
Dallas 20 Houston 27 +0.2
If winner is:HomeTieAway
Week of 3/8100.0*Chance in playoffs100.0*Average seed
Dallas vs New York-6.0+8.8+14.7
-0.1+0.2+0.3
DC vs St Louis-8.3+2.3+4.3
-0.1+0.0+0.1
LA vs Tampa Bay+2.0*-0.6-3.2
+0.1*-0.0-0.1
Houston vs Seattle+0.1*-0.1-0.4

* 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 New York finish out the regular season.   Explain

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234Count
86-0-0In100070,399
7.55-0-1In7822405
75-1-099.9%64360687,051
6.54-1-199.8366403,976
64-2-093.71975603,210,070
3-1-2In1004
5.53-2-187.868212014,762
53-3-060.21593727,872,103
2-2-248.0485225
4.52-3-143.404351626,656
42-4-017.417582510,623,231
1-3-226.326502438
3.51-4-15.56534223,212
31-5-00.9129707,459,600
0-4-28.38177512
2.50-5-1Out13877,941
20-6-0Out2982,130,323
Total:32.5%429363232,129,808
Games Above .500
Chance Will Make Playoffs