How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Portugal 3 Ghana 2 +25.6
+0.7
Uruguay 0 South Korea 0 +0.9
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Portugal 2 Uruguay 0 In
+0.9
South Korea 2 Ghana 3 +6.3
-0.0
If winner is:HomeDrawAway
South Korea vs Portugal-0.3+0.0+0.0
Ghana vs Uruguay-0.1+0.0+0.0

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
7-9In1007,644,624*
60-0-1In71291,169,152
Total:In9648,813,776

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs