How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Average seed
Oilers 1 Ducks 0 +0.1
Goldrush1 1 Empire 0 -0.1
Week of 3/4100.0*Average seed
Bears 0 Goldrush1 1 -0.5
Flyers 0 Oilers 1 +0.2
Games Above .500
Chance Will Make Playoffs