How are these numbers calculated?

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 12/15100.0*Lottery seed
Chargers 16 Raiders 19 +1.5
Redskins 15 Panthers 26 +0.3
Bengals 20 Steelers 24 -0.1
Chiefs 17 Titans 19 +0.1
Bills 33 Browns 13 +0.1
Broncos 3 Patriots 16 +0.1
Ravens 27 Eagles 26 -0.1
Texans 21 Jaguars 20 +0.1
NY Jets 13 Dolphins 34 -0.0
Vikings 6 Colts 34 +0.0
Cowboys 26 Buccaneers 20 -0.0
Bears 27 Packers 30 +0.0
Week of 12/22100.0*Lottery seed
Browns 20 Chargers 17 +1.5
Texans 12 Bengals 10 -0.3
Seahawks 31 Cardinals 34 +0.3
Panthers 16 Falcons 33 -0.2
Eagles 24 NY Giants 19 +0.2
Saints 31 Buccaneers 24 +0.1
Bills 31 Dolphins 34 -0.1
Packers 38 Vikings 25 -0.0
Raiders 33 Colts 25 -0.0
LA Rams 21 49ers 22 -0.0
Week of 1/1100.0*Lottery seed
Chargers 27 Chiefs 37 +0.5
Bengals 27 Ravens 10 +0.2
Buccaneers 17 Panthers 16 -0.2
Games Above .500
Chance Will Make Playoffs