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
Argentina 2 Chile 1 +22.9
+0.6
If winner is:HomeAway
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Argentina vs Bolivia+20.5-27.5
+0.4-0.6
Argentina vs Panama+19.4-19.4
+0.6-0.6
Chile vs Bolivia+2.0-2.0
Chile vs Panama-2.1+1.6

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234Count
32-0-0In1009,211,739
21-1-091.1%2863916,057,038
10-2-07.8857356,861,031
Total:75.9%433317732,129,808
Points
Chance Will Make Playoffs