How are these numbers calculated?

Big Games

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

Week of 10/11100.0*Chance in playoffs100.0*Average seed
Portland 4 DC United 0 In
+0.5
Houston 2 Kansas City 1 +0.1
Week of 10/15100.0*Chance in playoffs100.0*Average seed
Vancouver 1 San Jose 1 +0.3
Kansas City 0 Houston 0 +0.2
Seattle 4 Dallas 0 -0.1
If winner is:HomeDrawAway
Week of 10/22100.0*Chance in playoffs100.0*Average seed
Portland vs Vancouver+1.0-1.0-1.3
Seattle vs Colorado-0.1+0.1+0.3
Salt Lake vs Kansas City+0.2+0.2-0.3

What If

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

100100100100100100100100100100100
If finish:Chance inSupportersChance will finish regular season at seedWooden
TPW-D-LplayoffsShield1234567891011SpoonCount
531-0-0InNo100No608,279,452
510-1-0InNo255322No312,810,619
500-0-1InNo76132No214,680,233
Total:InNo5482612No1,135,770,304
Points
Chance Will Make Playoffs