How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 8/6100.0*Chance in playoffs100.0*Average seed
South Africa 0 China PR 2 -33.3
-1.7
Colombia 0 New Zealand 1 -2.2
-0.0
Germany 2 Australia 2 -2.1
-0.1
Canada 3 Zimbabwe 1 +1.4
+0.1
Brazil 5 Sweden 1 +0.1
United States 1 France 0 +0.1
Tuesday, 8/9100.0*Chance in playoffs100.0*Average seed
Australia 6 Zimbabwe 1 -0.2
+0.3
New Zealand 0 France 3 +0.2
Colombia 2 United States 2 -0.5
If winner is:HomeDrawAway
Brazil vs South AfricaOutOut+76.9
-0.2+0.9+2.7
China PR vs Sweden+0.4Out+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLDplayoffs123456789101112Count
31-00078.3%78221,581,414
10-001Out10014,993,573
00-010Out881273,442,805
Total:1.4%1017721090,017,792
Points
Chance Will Make Playoffs