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
Carolina 24 Seattle 30 +2.3
+0.3
+0.4
Dallas 44 LA Rams 21 +1.4
+0.0
LA Chargers 10 Minnesota 39 -0.9
-0.0
Green Bay 21 Chicago 13 -0.3
-0.0
San Francisco 22 Atlanta 29 +0.3
+0.4
New Orleans 34 Indianapolis 7 -0.1
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Minnesota 10 Green Bay 23 -0.3
+0.1
Seattle 13 Arizona 27 -0.2
-0.3
Philadelphia 17 Dallas 9 +0.1
+0.0
San Francisco 34 LA Rams 31 -0.1
-0.1
Tennessee 28 New Orleans 38 -0.1
-0.1
Washington 35 NY Giants 41 +0.0
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Seattle 21 San Francisco 26 -0.3
-0.7
Detroit 20 Green Bay 23 -0.2
-0.1
Carolina 10 New Orleans 42 -0.0
Games Above .500
Chance Will Make Playoffs