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
Tennessee 21 Houston 24 +26.4
+0.2
+1.2
Pittsburgh 10 Buffalo 17 +7.3
+0.1
New Orleans 34 Indianapolis 7 +2.7
+0.0
+0.1
Arizona 38 Cleveland 24 +0.7
Kansas City 23 Denver 3 +0.1
-0.0
Week of 12/22100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Tampa Bay 20 Houston 23 In
+0.1
+0.5
NY Jets 16 Pittsburgh 10 In
Tennessee 28 New Orleans 38 In
+0.0
+0.4
Chicago 3 Kansas City 26 -0.0
-0.1
Week of 12/29100.0*Chance in playoffs100.0*Win Super Bowl100.0*Average seed
Kansas City 31 LA Chargers 21 -0.0
-0.1
Houston 14 Tennessee 35 -0.0
-0.1
Seattle 21 San Francisco 26 -0.0
Games Above .500
Chance Will Make Playoffs