How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Tri-City 3 Spokane 5 +0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Saturday100.0*Average seed
Seattle vs Portland+0.3+0.0+0.0-0.2-0.2-0.2
Spokane vs Tri-City+0.2+0.2+0.2-0.2-0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inScotty MunroChance will finish regular season at seed
TPWL-OTplayoffsMemorial Trophy123456789101112Count
8710-0InNo210794,824,168,114
85-86InNo1004,824,221,486*
Total:InNo100909,648,389,600

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs