Can you name every club to win the Top Flight in English Football since its inception in the 1888/89 season? Try the other quizzes in this series here! Try the FA Cup version here! or Try the League Cup Version here!
Data from Wikipedia.
Each time there is a change in format it is explained in the subheading. Changes in total teams within the league change the total number of games within a season and therefore the average points total.
The introduction of 3 points for a win also increases the points total massively.
The number alongside the team's name denotes how many they had won at that point.