Pittsburgh Steelers Playoff Chances 50/50

Beat Cleveland 28-24, average seed down 0.3 to 2
13-3-0   .813

How are these numbers calculated?

Big Games

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

Week of 12/16100.0*Average seed
Pittsburgh 24 New England 27 -0.4
Jacksonville 45 Houston 7 -0.1
Week of 12/23100.0*Average seed
Houston 6 Pittsburgh 34 +0.2
New England 37 Buffalo 16 -0.2
San Francisco 44 Jacksonville 33 +0.2
Week of 12/31100.0*Average seed
New England 26 NY Jets 6 -0.3
Pittsburgh 28 Cleveland 24 +0.2
Games Above .500
Chance Will Make Playoffs