How are these numbers calculated?

Big Games

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

Week of 6/3100.0*Chance in playoffs100.0*Average seed
Mexico 3 Uruguay 1 +22.9
+0.6
If winner is:HomeAway
Mexico vs Jamaica+11.4-40.5
+0.2-0.7
Uruguay vs Venezuela-9.1+2.7
+0.1-0.0
If winner is:HomeAway
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Mexico vs Venezuela+12.3-5.7
+0.7-0.3
Uruguay vs Jamaica+1.2-2.7

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234Count
32-0-0In1007,978,208
21-1-096.4%1779419,327,724
10-2-023.52355214,823,876
Total:86.3%355110332,129,808
Points
Chance Will Make Playoffs