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
Jackson 0 Kamiak 0 -8.6
-0.2
Ed-WW 6 Mariner 0 +1.3
+0.0
Monday100.0*Chance in playoffs100.0*Average seed
Ed-WW 1 Kamiak 3 -13.7
-0.6
Mariner 0 Cascade 8 -1.1
-0.0
Snohomish 2 Marysville 0 -0.1
Lake Stevens 0 Arlington 1 -0.1
Wednesday100.0*Chance in playoffs100.0*Average seed
Kamiak 0 Cascade 1 -38.3
-0.2
Jackson 1 Ed-WW 4 In
+0.6
Points
Chance Will Make Playoffs