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 8/23100.0*Chance wins title100.0*Average seed
Whitecaps vs Sounders+7.0+7.1-17.4
+0.0+0.1-0.1

What If

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

100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins title123Count
132-0-0Yes10053,995,108,753
111-1-089.7%901073,240,346,471
101-0-141.24159103,693,557,514
90-2-054.0544622,333,004,621
80-1-13.64821555,506,125,858
70-0-2No376328,420,642,221
Total:52.4%52408337,188,785,438
Points
Chance Will Win Championship