How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
Detroit 84 Pittsburgh 50 -3.1
-0.3
Halifax 74 Milwaukee 85 +0.7
+0.1
Smyrna 87 Philly 79 +0.7
+0.1
New York 63 Denver 92 +0.2
Atlanta 75 Chicago 112 -0.1
If winner is:HomeDrawAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Pittsburgh vs PhillyIn+2.2-3.1
+0.2-0.0-0.2
New York vs Halifax+1.6-1.5-1.5
+0.1-0.1-0.1
Chicago vs Detroit+1.5+1.3-1.5
Atlanta vs Denver+0.1*-0.1-0.1
Smyrna vs Dover+0.1*-0.1-0.1
+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 Pittsburgh finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-D-Lplayoffs123456789101112Count
113-0-0In13871,065,733
10.52-1-0In128897,891
102-0-1In1003,189,125*
9.51-1-1In8812195,941
0-3-0In861428
91-0-2In87133,185,650
0-2-1In86143,078
8.50-1-297.5%3549142098,658
80-0-374.62030252411,064,680
Total:96.9%28393308,900,784

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs