How are these numbers calculated?

Big Games

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

Week of 12/12100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Dallas 44 LA Rams 21 +8.1
+0.2
+0.6
Washington 27 Philadelphia 37 -6.9
-0.2
-0.3
Green Bay 21 Chicago 13 +0.0
Detroit 17 Tampa Bay 38 -0.1
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Philadelphia 17 Dallas 9 -40.0
-1.6
-1.9
Seattle 13 Arizona 27 -0.1
Minnesota 10 Green Bay 23 +0.1
Tampa Bay 20 Houston 23 +0.1
Chicago 3 Kansas City 26 +0.0
San Francisco 34 LA Rams 31 +0.0
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
NY Giants 17 Philadelphia 34 Out
No
-1.3
Dallas 47 Washington 16 +5.4
+0.2
+0.5
Minnesota 19 Chicago 21 -0.4
LA Rams 31 Arizona 24 -0.2
Tampa Bay 22 Atlanta 28 +0.1
Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 12/12100.0*Lottery seed
Dallas 44 LA Rams 21 -1.3
Washington 27 Philadelphia 37 +0.8
LA Chargers 10 Minnesota 39 -0.1
Arizona 38 Cleveland 24 -0.1
Oakland 16 Jacksonville 20 -0.1
Detroit 17 Tampa Bay 38 +0.0
Carolina 24 Seattle 30 -0.0
New Orleans 34 Indianapolis 7 -0.0
Kansas City 23 Denver 3 -0.0
Week of 12/22100.0*Lottery seed
Philadelphia 17 Dallas 9 +3.7
Chicago 3 Kansas City 26 -0.0
Indianapolis 38 Carolina 6 +0.0
Cleveland 15 Baltimore 31 -0.0
Denver 27 Detroit 17 +0.0
LA Chargers 17 Oakland 24 +0.0
Week of 12/29100.0*Lottery seed
NY Giants 17 Philadelphia 34 +2.8
Dallas 47 Washington 16 -1.0
Minnesota 19 Chicago 21 +0.4
Jacksonville 38 Indianapolis 20 -0.4
Tampa Bay 22 Atlanta 28 -0.2
Cincinnati 33 Cleveland 23 -0.1
Denver 16 Oakland 15 -0.1
Houston 14 Tennessee 35 -0.0