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
Yukon 4 Montreal 1 +20.1
+1.8
Nova Scotia 5 Vancouver 3 +6.8
+0.4
Edmonton 6 St. John's 2 -3.4
-0.3
Quebec 3 Calgary 19 +1.1
Hamilton 1 Saskatoon 2 -0.8
London 1 Regina 10 +0.7
-0.2
Toronto 2 Winnipeg 1 +0.4
+0.1
If winner is:HomeAway
Thunder Bay vs Ottawa+0.9-0.9
+0.1-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Yukon vs Calgary+48.3-48.3
+2.5-2.5
Quebec vs Montreal-1.7+1.7
-0.3+0.3
Nova Scotia vs St. John's+1.7-1.7
+0.4-0.4
Winnipeg vs Saskatoon-1.7+1.7
-0.4+0.4
Regina vs Thunder Bay-1.7+1.7
-0.4+0.4
Vancouver vs Edmonton+0.7-0.7
+0.2-0.2
Ottawa vs London+0.2-0.2
-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
91-099.9%75141102,084,703
80-13.4313172114171122,086,033
Total:51.6%3877791178614,170,736
Games Above .500
Chance Will Make Playoffs