How are these numbers calculated?

Big Games

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

Saturday, 1/16100.0*Chance in playoffs100.0*Average seed
London 1 Regina 10 +3.5
+1.3
Hamilton 1 Saskatoon 2 -3.3
Toronto 2 Winnipeg 1 +3.0
+0.3
Quebec 3 Calgary 19 +0.4
-0.2
Yukon 4 Montreal 1 +0.1
-0.1
Edmonton 6 St. John's 2 +0.1
Nova Scotia 5 Vancouver 3 +0.1
If winner is:HomeAway
Thunder Bay vs Ottawa+0.8-0.8
+0.1-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Quebec vs MontrealOut+3.9
-0.1+0.1
Regina vs Thunder Bay+3.9Out
+1.9-1.9
Yukon vs CalgaryOut+3.9
-0.2+0.2
Nova Scotia vs St. John's+3.1-3.1
+0.2-0.2
Winnipeg vs Saskatoon-1.5+1.5
-0.3+0.3
Ottawa vs London+1.5-1.5
+0.2-0.2
Vancouver vs Edmonton+0.8-0.8
Hamilton vs Toronto-0.2+0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
81-07.7%8141521231632,085,178
70-1Out0112938222,085,558
Total:3.9%4781112131619114,170,736
Games Above .500
Chance Will Make Playoffs