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
-0.1
-0.4
Washington 27 Philadelphia 37 +6.9
+0.1
+0.5
Detroit 17 Tampa Bay 38 -0.2
San Francisco 22 Atlanta 29 -0.1
Green Bay 21 Chicago 13 +0.1
Carolina 24 Seattle 30 +0.0
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Philadelphia 17 Dallas 9 +40.0
+0.4
+2.2
Minnesota 10 Green Bay 23 +0.1
Chicago 3 Kansas City 26 +0.1
Atlanta 24 Jacksonville 12 -0.0
Indianapolis 38 Carolina 6 +0.0
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
NY Giants 17 Philadelphia 34 In
+0.4
+1.5
Dallas 47 Washington 16 -5.4
-0.1
-0.2
Tampa Bay 22 Atlanta 28 +0.2
Minnesota 19 Chicago 21 -0.2
LA Rams 31 Arizona 24 -0.1
Games Above .500
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 12/12100.0*Lottery seed
Washington 27 Philadelphia 37 -1.3
Dallas 44 LA Rams 21 +0.8
Arizona 38 Cleveland 24 -0.2
Oakland 16 Jacksonville 20 -0.1
LA Chargers 10 Minnesota 39 -0.1
Detroit 17 Tampa Bay 38 +0.1
New Orleans 34 Indianapolis 7 -0.1
Carolina 24 Seattle 30 -0.1
San Francisco 22 Atlanta 29 +0.1
Kansas City 23 Denver 3 -0.1
Green Bay 21 Chicago 13 -0.1
Week of 12/22100.0*Lottery seed
Philadelphia 17 Dallas 9 -4.2
Indianapolis 38 Carolina 6 +0.1
LA Chargers 17 Oakland 24 +0.1
Chicago 3 Kansas City 26 -0.1
Denver 27 Detroit 17 +0.1
Tampa Bay 20 Houston 23 -0.1
Cleveland 15 Baltimore 31 -0.1
Miami 38 Cincinnati 35 (ot)-0.0
Week of 12/29100.0*Lottery seed
NY Giants 17 Philadelphia 34 -2.9
Dallas 47 Washington 16 +0.5
Minnesota 19 Chicago 21 +0.2
Jacksonville 38 Indianapolis 20 -0.2
Tampa Bay 22 Atlanta 28 -0.2
Denver 16 Oakland 15 -0.1