How are these numbers calculated?

Big Games

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

Week of 7/27100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Australia 2 Nigeria 3 +37.9
+37.9
+6.1
Portugal 2 Vietnam 0 -0.0
If winner is:HomeDrawAway
Ireland vs Nigeria-27.5InIn
-27.5YesYes
-6.9-3.5+2.9
Canada vs AustraliaIn-6.5-2.1
Yes-6.5-2.1
-0.6+0.9+0.2
Vietnam vs Netherlands+0.3+0.2-0.1
South Africa vs Italy+0.2+0.1-0.1
China vs England+0.2+0.1-0.1
Haiti vs Denmark+0.2+0.1-0.1
Argentina vs Sweden+0.2+0.1-0.1
Norway vs Philippines+0.0+0.1-0.2
Switzerland vs New Zealand-0.1+0.2+0.2
Panama vs Jamaica+0.2+0.1-0.1
Panama vs France+0.2+0.1-0.1
Portugal vs USA+0.1+0.1-0.1
Jamaica vs Brazil-0.0+0.1-0.0
France vs Brazil-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+0.2+0.1-0.1
Morocco vs Colombia+0.2+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inRoundChance will finish regular season at seed
TPW-D-Lplayoffsof 161234567891011121314151617181920212223242526272829303132Count
71-0-0InYes026111517178119310003,693,206,732
50-1-0InYes0001401822312041,498,647,468
40-0-168.2%68.2%000162239510105200804,596,968
Total:95.7%95.7%01479111097622698611110005,996,451,168
Points
Chance Will Make Playoffs