How are these numbers calculated?

Big Games

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

Saturday100.0*Chance in playoffs100.0*Average seed
Saskatoon 4 Prince Albert 6 +26.7
+0.3
Brandon 6 Regina 3 -15.6
-0.2
Red Deer 4 Edmonton 7 +9.4
+0.1
Sunday100.0*Chance in playoffs100.0*Average seed
Edmonton 0 Red Deer 5 Out
-0.5
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Saturday100.0*Lottery seed
Saskatoon 4 Prince Albert 6 -0.6
Brandon 6 Regina 3 +0.4
Red Deer 4 Edmonton 7 -0.3
Sunday100.0*Lottery seed
Edmonton 0 Red Deer 5 +1.0