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
Oakland 16 Jacksonville 20 -0.3
-1.1
Pittsburgh 10 Buffalo 17 +0.1
Arizona 38 Cleveland 24 +0.1
+0.2
New Orleans 34 Indianapolis 7 +0.1
Kansas City 23 Denver 3 +0.1
Baltimore 42 NY Jets 21 +0.0
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
LA Chargers 17 Oakland 24 +0.5
+1.8
NY Jets 16 Pittsburgh 10 +0.3
Tennessee 28 New Orleans 38 +0.2
Indianapolis 38 Carolina 6 +0.1
-0.0
Cleveland 15 Baltimore 31 +0.0
Denver 27 Detroit 17 -0.1
Atlanta 24 Jacksonville 12 +0.1
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Houston 14 Tennessee 35 Out
No
-0.1
Jacksonville 38 Indianapolis 20 Out
No
+0.4
Denver 16 Oakland 15 Out
No
-1.1
New England 24 Miami 27 -3.5
-0.1
Baltimore 28 Pittsburgh 10 +1.9
+0.1
Minnesota 19 Chicago 21 +0.2
Detroit 20 Green Bay 23 -0.1
Kansas City 31 LA Chargers 21 -0.1
Cincinnati 33 Cleveland 23 +0.4
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
Oakland 16 Jacksonville 20 +1.6
San Francisco 22 Atlanta 29 +0.3
Carolina 24 Seattle 30 -0.2
Detroit 17 Tampa Bay 38 +0.2
Arizona 38 Cleveland 24 -0.1
LA Chargers 10 Minnesota 39 -0.1
Washington 27 Philadelphia 37 +0.1
Kansas City 23 Denver 3 -0.1
Dallas 44 LA Rams 21 +0.1
Green Bay 21 Chicago 13 -0.0
Week of 12/22100.0*Lottery seed
LA Chargers 17 Oakland 24 -2.4
Indianapolis 38 Carolina 6 -0.1
Atlanta 24 Jacksonville 12 +0.1
Seattle 13 Arizona 27 +0.1
Philadelphia 17 Dallas 9 +0.1
NY Jets 16 Pittsburgh 10 +0.1
Chicago 3 Kansas City 26 -0.1
Cleveland 15 Baltimore 31 -0.0
Denver 27 Detroit 17 +0.0
Tennessee 28 New Orleans 38 +0.0
Week of 12/29100.0*Lottery seed
Denver 16 Oakland 15 +1.8
Houston 14 Tennessee 35 +0.5
Cincinnati 33 Cleveland 23 -0.4
Tampa Bay 22 Atlanta 28 +0.3
Jacksonville 38 Indianapolis 20 +0.3
New England 24 Miami 27 +0.2
Minnesota 19 Chicago 21 +0.2
Baltimore 28 Pittsburgh 10 -0.1
NY Giants 17 Philadelphia 34 +0.1
Dallas 47 Washington 16 +0.0
Buffalo 6 NY Jets 13 -0.0