How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
Tigers 4 Mets 7 +4.5
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Marines vs TigersIn-5.6
+0.0-0.1
Mariners vs CardinalsIn-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
15-16In10074,134,770,352*
140-299.4%991173,745,482,656
Total:99.6%1000247,880,253,008

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs