Course progress
This is calculated as the total number of users having successfully finished a course, divided by the total number of users, for the selected time period.
Quizzes completed
This is calculated as the total number of finished and successful attempts on lessons or in-house trainings divided by the total number of finished attempts (successful or not) on lessons and in-house trainings. If a user takes several times the same quiz only his best result will be considered. The calculation consider all the users and all the courses, for the selected time period.