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 10/22100.0*Chance wins title100.0*Average seed
Timbers vs WhitecapsYes-60.8No
+0.4-0.6-0.6

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
111-0-0Yes10011,203,887,208
90-1-00.0%01004,742,169,234
80-0-1No1002,495,613,152
Total:60.8%613918,441,669,594
Points
Chance Will Win Championship