How are these numbers calculated?

Big Games

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

Week of 12/15100.0*Chance in playoffs100.0*Conf Champ100.0*Average seed
LA Chargers 16 LV Raiders 19 In
+7.6
+0.6
Broncos 3 Patriots 16 +0.5
-4.7
+0.1
NY Jets 13 Dolphins 34 -0.3
Bengals 20 Steelers 24 -0.3
Chiefs 17 Titans 19 -0.2
+3.9
+0.6
Ravens 27 Eagles 26 -0.2
Week of 12/22100.0*Chance in playoffs100.0*Conf Champ100.0*Average seed
LV Raiders 33 Colts 25 +4.7
+0.5
Patriots 41 NY Jets 3 -1.9
-0.0
Chiefs 33 Broncos 10 -0.4
Week of 1/1100.0*Chance in playoffs100.0*Conf Champ100.0*Average seed
Broncos 24 LV Raiders 6 No
-0.9
Dolphins 14 Patriots 35 No
-0.1
LA Chargers 27 Chiefs 37 -0.7
Games Above .500
Chance Will Make Playoffs