How are these numbers calculated?

Big Games

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

Week of 12/14100.0*Chance in playoffs100.0*Division100.0*Average seed
Chiefs 30 LA Chargers 13 -29.9
-32.4
-1.4
49ers 25 Titans 23 +6.3
+0.1
Browns 10 Ravens 27 -2.5
-0.0
Bills 24 Dolphins 16 -0.7
-0.0
Raiders 17 Cowboys 20 +0.1
Saints 31 NY Jets 19 +0.0
Vikings 34 Bengals 7 +0.0
Week of 12/23100.0*Chance in playoffs100.0*Division100.0*Average seed
NY Jets 7 LA Chargers 14 +12.0
+2.7
+0.6
Titans 23 LA Rams 27 +6.6
+0.1
Chiefs 29 Dolphins 13 -2.6
No
-0.0
Patriots 37 Bills 16 +1.9
+0.1
Ravens 23 Colts 16 -0.1
Eagles 19 Raiders 10 +0.1
Week of 12/31100.0*Chance in playoffs100.0*Division100.0*Average seed
Titans 15 Jaguars 10 Out
-0.5
Ravens 27 Bengals 31 -18.0
-0.3
LA Chargers 30 Raiders 10 +17.5
+0.3
Dolphins 16 Bills 22 -6.3
-0.2
LA Rams 13 49ers 34 -0.2
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 12/14100.0*Lottery seed
Chiefs 30 LA Chargers 13 +3.2
49ers 25 Titans 23 -0.3
Browns 10 Ravens 27 +0.1
Panthers 31 Packers 24 -0.1
Raiders 17 Cowboys 20 +0.1
Lions 20 Bears 10 +0.1
Redskins 20 Cardinals 15 -0.1
Buccaneers 21 Falcons 24 +0.0
Vikings 34 Bengals 7 -0.0
Jaguars 45 Texans 7 -0.0
Saints 31 NY Jets 19 -0.0
Week of 12/23100.0*Lottery seed
NY Jets 7 LA Chargers 14 -1.5
Titans 23 LA Rams 27 -0.3
Chiefs 29 Dolphins 13 +0.2
Redskins 27 Broncos 11 +0.1
Packers 0 Vikings 16 -0.1
Cardinals 23 NY Giants 0 +0.1
Eagles 19 Raiders 10 -0.1
Bengals 26 Lions 17 -0.1
Patriots 37 Bills 16 -0.0
Ravens 23 Colts 16 +0.0
Cowboys 12 Seahawks 21 -0.0
Week of 12/31100.0*Lottery seed
Titans 15 Jaguars 10 +1.5
LA Chargers 30 Raiders 10 -1.4
Ravens 27 Bengals 31 +0.4
Eagles 0 Cowboys 6 +0.2
Seahawks 24 Cardinals 26 +0.2
NY Giants 18 Redskins 10 -0.2
Dolphins 16 Bills 22 +0.2