Dallas Cowboys Playoff Chances 2018 50/50

Beat NY Giants 36-35, average seed unchanged at 4
10-6-0   .625

How are these numbers calculated?

Big Games

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

Week of 12/13100.0*Chance in playoffs100.0*Average seed
Indianapolis 23 Dallas 0 -2.5
-0.2
Jacksonville 13 Washington 16 -1.2
LA Rams 23 Philadelphia 30 -1.2
Carolina 9 New Orleans 12 +0.8
Minnesota 41 Miami 17 -0.3
Buffalo 14 Detroit 13 -0.1
Baltimore 20 Tampa Bay 12 +0.1
Chicago 24 Green Bay 17 +0.1
-0.1
Week of 12/22100.0*Chance in playoffs100.0*Average seed
Tennessee 25 Washington 16 +5.1
+0.2
Dallas 27 Tampa Bay 20 In
+0.2
Philadelphia 32 Houston 30 -5.1
-0.2
Detroit 9 Minnesota 27 -1.2
Carolina 10 Atlanta 24 +0.4
+0.0
San Francisco 9 Chicago 14 -0.1
Week of 12/30None
Games Above .500
Chance Will Make Playoffs