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 7/27100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
South Africa vs Italy+28.7-2.9-26.7
+28.7-2.9-26.7
+6.2-1.3-5.3
Argentina vs South Africa-26.4-2.6+28.2
-26.4-2.6+28.2
-6.0-0.9+6.6
Sweden vs Italy+4.6-2.7-2.8
+4.6-2.7-2.8
+0.1-0.3+0.1
Argentina vs Sweden+2.5+1.1-3.2
+2.5+1.1-3.2
+0.0-0.2+0.1
Vietnam vs Netherlands-0.1-0.0+0.1
Ireland vs Nigeria-0.0-0.0+0.1
China vs England-0.1-0.0+0.1
Haiti vs Denmark-0.1-0.0+0.1
Norway vs Philippines-0.0+0.1+0.0
If winner is:HomeDrawAway
Week of 8/3100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
South Korea vs Germany-0.1+0.0+0.1
Morocco vs Colombia-0.1-0.0+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inRoundChance will finish regular season at seed
TPW-D-Lplayoffsof 161234567891011121314151617181920212223242526272829303132Count
62-0-099.7%99.7%01614191451315831000000272,044,296
41-1-070.370.3000202716211652271000000362,469,780
31-0-16.96.9000602613161510412941000543,814,916
20-2-0OutNo01520264131611410120,805,658
10-1-1OutNo00027151424251651362,476,930
00-0-2OutNo0029213336272,027,876
Total:29.2%29.2%00123212212343342245444445666651,933,639,456
Points
Chance Will Make Playoffs