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
Cascade 2 Marysville 1 -0.2
Lake Stevens 0 Arlington 2 +0.2
If winner is:HomeDrawAway
Tuesday, 10/27100.0*Average seed
Oak Harbor vs Cascade+0.3+0.2-0.4

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789RelegatedCount
181-0-0Out100Yes10,645,016
160-1-0Out6337Yes7,393,105
150-0-1Out5545Yes10,639,974
Total:Out7426Yes28,678,095
Points
Chance Will Make Playoffs