How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeDrawAway
Week of 10/23100.0*Chance wins title100.0*Average seed
Whitecaps vs Timbers+33.8NoNo
+0.8-0.5-0.5

What If

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

100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins title123Count
91-0-053.8%5421251,345,410,890
6-7No1002,277,051,304*
Total:20.0%208723,622,462,194

* Row combines multiple less frequent records.

Points
Chance Will Win Championship