How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Average seed
Monroe 0 Lake Stevens 1 +0.1
Snohomish 8 Stanwood 3 -0.0
Monday100.0*Average seed
Lake Stevens 0 Arlington 1 -0.4
Snohomish 2 Marysville 0 -0.0
WednesdayNone
Points
Chance Will Make Playoffs