San Francisco 49ers Playoff Chances 2018 50/50

Lost to LA Rams 32-48, lottery seed up 0.4 to 31
4-12-0   .250

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 12/13100.0*Lottery seed
San Francisco 26 Seattle 23 -1.0
NY Jets 22 Houston 29 -0.2
Atlanta 40 Arizona 14 +0.1
LA Rams 23 Philadelphia 30 +0.1
Buffalo 14 Detroit 13 +0.1
Minnesota 41 Miami 17 -0.1
Cincinnati 30 Oakland 16 -0.1
Denver 16 Cleveland 17 +0.1
NY Giants 0 Tennessee 17 +0.1
Jacksonville 13 Washington 16 -0.0
Pittsburgh 17 New England 10 -0.0
Baltimore 20 Tampa Bay 12 +0.0
Carolina 9 New Orleans 12 -0.0
Week of 12/22100.0*Lottery seed
San Francisco 9 Chicago 14 +1.4
Arizona 9 LA Rams 31 -0.2
Oakland 27 Denver 14 +0.2
NY Jets 38 Green Bay 44 -0.2
Miami 7 Jacksonville 17 +0.1
Detroit 9 Minnesota 27 -0.1
Carolina 10 Atlanta 24 +0.1
LA Chargers 10 Baltimore 22 +0.1
Seattle 38 Kansas City 31 -0.1
New England 24 Buffalo 12 -0.1
Indianapolis 28 NY Giants 27 +0.0
Dallas 27 Tampa Bay 20 +0.0
Week of 12/30100.0*Lottery seed
LA Rams 48 San Francisco 32 +0.8
New England 38 NY Jets 3 -0.3
Kansas City 35 Oakland 3 -0.3
Seattle 27 Arizona 24 -0.2
NY Giants 35 Dallas 36 +0.1
Tampa Bay 32 Atlanta 34 +0.1
Baltimore 26 Cleveland 24 -0.1
Denver 9 LA Chargers 23 -0.1
Games Above .500
Chance Will Make Playoffs