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
Tennessee 21 Houston 24 -28.6
-0.6
-1.3
Pittsburgh 10 Buffalo 17 +10.5
+0.1
+0.1
New Orleans 34 Indianapolis 7 +5.0
+0.1
+0.1
Arizona 38 Cleveland 24 -0.4
Kansas City 23 Denver 3 -0.1
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
NY Jets 16 Pittsburgh 10 +24.8
+0.3
+0.3
Tennessee 28 New Orleans 38 -4.7
-0.1
-0.5
Tampa Bay 20 Houston 23 -1.9
-0.1
-0.4
Indianapolis 38 Carolina 6 -1.4
-0.1
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Houston 14 Tennessee 35 In
+0.2
+0.7
Jacksonville 38 Indianapolis 20 +27.5
+0.2
+0.6
Baltimore 28 Pittsburgh 10 +2.8
+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
Tennessee 21 Houston 24 +2.8
Pittsburgh 10 Buffalo 17 -0.2
New Orleans 34 Indianapolis 7 -0.1
Kansas City 23 Denver 3 +0.1
LA Chargers 10 Minnesota 39 +0.0
Week of 12/22100.0*Lottery seed
Tennessee 28 New Orleans 38 +1.2
Tampa Bay 20 Houston 23 +0.8
NY Jets 16 Pittsburgh 10 -0.6
Chicago 3 Kansas City 26 -0.1
Week of 12/29100.0*Lottery seed
Houston 14 Tennessee 35 -0.9
Jacksonville 38 Indianapolis 20 -0.7
Minnesota 19 Chicago 21 +0.2
Denver 16 Oakland 15 -0.1
Baltimore 28 Pittsburgh 10 -0.0