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 12/12100.0*Lottery seed
Green Bay 21 Chicago 13 +0.9
Arizona 38 Cleveland 24 -0.2
Detroit 17 Tampa Bay 38 +0.2
New Orleans 34 Indianapolis 7 -0.2
Kansas City 23 Denver 3 -0.1
San Francisco 22 Atlanta 29 +0.1
Carolina 24 Seattle 30 -0.1
Oakland 16 Jacksonville 20 -0.0
NY Giants 36 Miami 20 -0.0
Washington 27 Philadelphia 37 +0.0
LA Chargers 10 Minnesota 39 -0.0
Week of 12/22100.0*Lottery seed
Chicago 3 Kansas City 26 +1.0
Tampa Bay 20 Houston 23 -0.2
Tennessee 28 New Orleans 38 -0.2
Denver 27 Detroit 17 +0.1
NY Jets 16 Pittsburgh 10 -0.1
LA Chargers 17 Oakland 24 +0.1
Cleveland 15 Baltimore 31 -0.1
Indianapolis 38 Carolina 6 +0.1
Philadelphia 17 Dallas 9 +0.1
Atlanta 24 Jacksonville 12 +0.0
Miami 38 Cincinnati 35 (ot)-0.0
San Francisco 34 LA Rams 31 +0.0
Week of 12/29100.0*Lottery seed
Minnesota 19 Chicago 21 -3.5
Cincinnati 33 Cleveland 23 -0.6
Jacksonville 38 Indianapolis 20 -0.6
Buffalo 6 NY Jets 13 -0.2
Dallas 47 Washington 16 +0.1
Denver 16 Oakland 15 -0.1
LA Rams 31 Arizona 24 -0.1
Carolina 10 New Orleans 42 -0.1
Kansas City 31 LA Chargers 21 -0.0
Games Above .500
Chance Will Make Playoffs