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
New York 63 Denver 92 -4.4
-1.0
Detroit 84 Pittsburgh 50 -1.4
-0.1
Halifax 74 Milwaukee 85 +1.1
-0.0
Smyrna 87 Philly 79 +0.3
+0.1
Atlanta 75 Chicago 112 +0.2
+0.1
Dover 115 Kansas City 57 -0.1
+0.1
If winner is:HomeDrawAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
New York vs Halifax+0.2-0.2Out
+0.7-0.0-0.7
Atlanta vs Denver+0.1+0.3-0.1
-0.2+0.2+0.2
Chicago vs Detroit+0.2+0.1-0.2
Smyrna vs Dover+0.1-0.1-0.1
+0.0-0.1-0.0
Milwaukee vs Kansas City-0.1-0.0+0.1
Pittsburgh vs Philly+0.1-0.0-0.1

What If

Chances based on how well the New York finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-D-Lplayoffs123456789101112Count
73-0-01.4%1164630601,063,653
6.52-1-00.1021441349198,193
62-0-1Out011433341613,186,841
1-2-0Out932372012,940
5.51-1-1Out11240425196,097
0-3-0Out104937541
51-0-2Out021453313,187,169
0-2-1Out01257312,981
4.50-1-2Out44546598,102
40-0-3Out2464111,064,767
Total:0.2%02691419292018,900,784
Games Above .500
Chance Will Make Playoffs