How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Switzerland 1 Cameroon 0 -25.1
-0.6
Brazil 2 Serbia 0 -0.3
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Cameroon 3 Serbia 3 -3.4
+0.0
Brazil 1 Switzerland 0 -1.7
If winner is:HomeDrawAway
Cameroon vs Brazil+29.2OutOut
+0.8+0.2-0.1
Serbia vs Switzerland+2.2+2.6Out
-0.4-0.2+0.3

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
41-0-031.4%3169611,001
20-1-0Out73271,807,628
10-0-1Out33676,395,147
Total:2.2%244548,813,776
Points
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 11/20100.0*Lottery seed
Switzerland 1 Cameroon 0 +5.1
Tunisia 0 Australia 1 +0.2
Argentina 2 Mexico 0 +0.2
Wales 0 Iran 2 +0.1
Brazil 2 Serbia 0 +0.1
Qatar 1 Senegal 3 +0.0
Week of 11/27100.0*Lottery seed
Cameroon 3 Serbia 3 +1.0
Netherlands 11 Qatar 29 +0.8
Japan 0 Costa Rica 1 +0.2
South Korea 2 Ghana 3 +0.2
Spain 1 Germany 1 +0.1
Brazil 1 Switzerland 0 +0.0
Croatia 4 Canada 1 -0.0
If winner is:HomeDrawAway
Cameroon vs Brazil-10.5-1.3+1.4
Wales vs England+0.8+0.4-0.2
Canada vs Morocco+0.8+0.3-0.1
Ghana vs Uruguay-0.4+0.1+0.3
Saudi Arabia vs Mexico-0.4+0.0+0.2
Tunisia vs France+0.4+0.3-0.2
South Korea vs Portugal+0.4+0.3-0.2
Australia vs Denmark-0.3+0.1+0.2
Costa Rica vs Germany-0.4-0.0+0.1
Serbia vs Switzerland+0.3+0.1-0.2

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314151617181920212223242526272829303132
41-0-00271084151143000
20-1-021025302192000
10-0-1003815192123101
Total:000110041000027121516151771