How are these numbers calculated?

Big Games

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

Week of 6/16100.0*Chance in next round100.0*Average seed
Argentina 1 Iceland 1 -0.9
-0.0
Croatia 2 Nigeria 0 *-0.1
If winner is:HomeDrawAway
Week of 6/21100.0*Chance in next round100.0*Average seed
Nigeria vs Iceland-38.5-22.4+21.2
-1.1-0.2+0.5
Iceland vs Croatia+40.1+9.6-18.0
+1.0+0.0-0.4
Nigeria vs Argentina+11.0+14.6-8.8
+0.2+0.1-0.1
Argentina vs Croatia-13.3-6.9+7.2
-0.2-0.0+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the Iceland finish out the group.   Explain

100100100100
If finish:Chance inChance will finish group at seed
TPW-D-Lnext round1234Count
72-0-0In946111,021,424
51-1-096.6%16813137,883,492
41-0-151.605148340,598,887
30-2-013.51382533,591,817
20-1-13.436532136,268,947
10-0-2Out694107,779,289
Total:49.5%15353417867,143,856
Points
Chance Will Make Next Round

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 6/16100.0*Lottery seed
Argentina 1 Iceland 1 +0.7
Iran 0 Spain 1 +0.1
Croatia 2 Nigeria 0 +0.0
Portugal 1 Morocco 0 +0.0
If winner is:HomeDrawAway
Week of 6/21100.0*Lottery seed
Iceland vs Croatia-7.9-0.3+3.0
Nigeria vs Iceland+7.1+3.4-3.7
Nigeria vs Argentina-0.5-0.6+0.4
Argentina vs Croatia+0.4-0.1-0.1
Saudi Arabia vs Egypt+0.0-0.1+0.0
England vs Panama+0.0-0.1+0.0
Serbia vs Switzerland-0.0-0.0+0.1
Serbia vs Brazil-0.0-0.0+0.1
Belgium vs Tunisia-0.0+0.0+0.1
South Korea vs Germany+0.0-0.1+0.0
Denmark vs Australia-0.0-0.0+0.1
Germany vs Sweden+0.1-0.0-0.0
South Korea vs Mexico+0.1-0.0-0.0
Australia vs Peru+0.0-0.1+0.0
Switzerland vs Costa Rica+0.0-0.1-0.0
Iran vs Portugal+0.1-0.0-0.0
Brazil vs Costa Rica+0.0-0.1-0.0
Poland vs Colombia+0.0-0.1+0.0

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish group at seed
TPW-D-L1234567891011121314151617181920212223242526272829303132
72-0-00281723221665100000
51-1-00000214028202718530000
41-0-1000001391821181510410000
30-2-00001131718252111310000
20-1-103000151629271441000
10-0-20000141221262111410
Total:0012332310024810107653113565431000