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 +0.4
Cascade 2 Marysville 1 -0.3
If winner is:HomeDrawAway
Tuesday, 10/27100.0*Average seed
Oak Harbor vs Cascade+0.5+0.4-0.2

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
181-0-0Out100Yes8,031,975
160-1-0Out3664Yes7,470,472
150-0-1Out3169Yes13,472,429
Total:Out5149Yes28,974,876
Points
Chance Will Make Playoffs