How are these numbers calculated?

Big Games

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

Week of 12/12100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
San Francisco 22 Atlanta 29 -0.5
-1.5
-0.5
Dallas 44 LA Rams 21 In
-0.2
Green Bay 21 Chicago 13 -0.0
LA Chargers 10 Minnesota 39 -0.2
Carolina 24 Seattle 30 -0.9
-0.3
Washington 27 Philadelphia 37 +0.1
New Orleans 34 Indianapolis 7 +0.1
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Philadelphia 17 Dallas 9 +0.5
-0.0
San Francisco 34 LA Rams 31 +0.4
+0.2
Seattle 13 Arizona 27 +0.3
+0.1
Minnesota 10 Green Bay 23 +0.2
+0.1
Tennessee 28 New Orleans 38 -0.1
Washington 35 NY Giants 41 -0.1
-0.0
New England 24 Buffalo 17 -0.1
Chicago 3 Kansas City 26 +0.1
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Seattle 21 San Francisco 26 +3.4
+1.2
NY Giants 17 Philadelphia 34 +0.5
New England 24 Miami 27 +0.5
Dallas 47 Washington 16 -0.1
Games Above .500
Chance Will Make Playoffs