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 8/28100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Chile vs Paraguay+12.8-14.4-27.4
+12.4-12.4-29.3
+0.4-0.4-1.1
Brazil vs Ecuador+2.0-1.6-8.9
+2.3-2.2-9.9
+0.1-0.1-0.2
Venezuela vs Colombia+4.5+0.7-3.2
+2.9+0.3-2.0
+0.1+0.0-0.1
Uruguay vs Argentina+2.2-1.1-5.3
+1.9-1.1-4.4
+0.0+0.0-0.1
Peru vs Bolivia-0.1+0.1+0.1
-0.2+0.3+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsQualified12345678910Count
334-0-0InYes0702731,603,076
313-1-099.3%99.6%33491716,582,750
303-0-195.997.91546354013,485,442
292-2-089.294.6635481107,551,559
282-1-168.883.611850302025,605,381
272-0-237.662.7053350120018,206,818
1-3-044.068.0063848803,369,850
261-2-117.945.8011756251015,234,683
251-1-23.421.400336537020,125,192
0-4-04.726.605444750521,848
241-0-30.25.300106029208,003,514
0-3-10.48.900176022102,891,766
230-2-20.01.8044744505,391,876
220-1-3Out0.1019602004,084,396
210-0-4OutNo2494531,097,269
Total:42.8%56.7%0514252821710133,755,420
Points
Chance Will Make Playoffs