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 10/6100.0*Chance wins title100.0*Average seed
Sounders vs WhitecapsNo+27.8+63.6
-0.3+0.3+0.8
Whitecaps vs Timbers+8.4-15.1-22.6
+0.2-0.4-0.9

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
112-0-0Yes1003,890,112,383
91-1-080.7%81198,841,275,559
81-0-10.619917,775,173,991
70-2-0No80202,837,878,788
60-1-1No40607,518,436,988
50-0-2No1001,983,488,191
Total:26.0%26581642,846,365,900
Points
Chance Will Win Championship