How are these numbers calculated?

Big Games

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

Thursday100.0*Chance in playoffs100.0*Average seed
Arlington 2 Marysville 1 -2.9
Monroe 0 Lake Stevens 1 -0.9
Snohomish 8 Stanwood 3 +0.1
Monday100.0*Chance in playoffs100.0*Average seed
Lake Stevens 0 Arlington 1 -16.8
-0.2
Stanwood 3 Monroe 2 -12.9
-0.1
Ed-WW 1 Kamiak 3 +2.3
Mariner 0 Cascade 8 +2.2
Snohomish 2 Marysville 0 +2.0
Wednesday100.0*Chance in playoffs100.0*Average seed
Monroe 0 Arlington 3 Out
-0.5
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Thursday100.0*Lottery seed
Monroe 0 Lake Stevens 1 +0.0
Monday100.0*Lottery seed
Lake Stevens 0 Arlington 1 +0.4
Stanwood 3 Monroe 2 +0.3
Wednesday100.0*Lottery seed
Monroe 0 Arlington 3 +1.0