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 12/17100.0*Lottery seed
Las Vegas 27 LA Chargers 30 +1.0
Dallas 41 San Francisco 33 -0.1
Denver 19 Buffalo 48 -0.1
Miami 22 New England 12 -0.1
Arizona 33 Philadelphia 26 +0.0
Baltimore 40 Jacksonville 14 +0.0
Indianapolis 27 Houston 20 -0.0
Minnesota 27 Chicago 33 +0.0
NY Giants 3 Cleveland 20 -0.0
New Orleans 29 Kansas City 32 -0.0
Week of 12/25100.0*Lottery seed
Las Vegas 25 Miami 26 +0.4
New England 9 Buffalo 38 -0.2
Jacksonville 17 Chicago 41 +0.1
LA Chargers 19 Denver 16 -0.1
New Orleans 52 Minnesota 33 -0.0
Pittsburgh 28 Indianapolis 24 +0.0
Week of 1/3100.0*Lottery seed
Denver 31 Las Vegas 32 -0.4
LA Rams 18 Arizona 7 -0.1
Chicago 16 Green Bay 35 -0.1
Games Above .500
Chance Will Make Playoffs