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
Mariners 1 Gulls2 0 +1.0
OC1 1 Gulls1 0 +0.1
Oilers 1 Ducks 0 +0.0
Leafs 1 Kings 0 +0.0
Week of 3/4100.0*Average seed
Kings 0 Mariners 1 +0.8
Gulls1 0 OC2 1 +0.2
Empire 1 Goldrush2 0 -0.0
Games Above .500
Chance Will Make Playoffs