How are these numbers calculated?

Big Games

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

Thursday, 10/22100.0*Average seed
Lake Stevens 0 Arlington 2 -0.3
Monroe 1 Stanwood 0 -0.1
If winner is:HomeDrawAway
Tuesday, 10/27100.0*Average seed
Stanwood vs Lake Stevens-0.3-0.1+0.2
Everett vs Monroe+0.1-0.0-0.3

What If

Chances based on how well the Lake Stevens finish out the regular season.   Explain

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789RelegatedCount
342-0-0In928No2,331,788
321-1-0In7426No4,878,976
311-0-1In4258No9,395,159
300-2-0In3664No1,925,384
290-1-1In1585No6,204,690
280-0-2In973No4,238,879
Total:In39600No28,974,876
Points
Chance Will Make Playoffs