The second row of the table corresponds the scores. For instance if you scored between 87 and 90, your letter grade is A-.
The third row is the percentage of students in each grade range. For example, 12% of the students got A-.
The mean was 72.6 and the median 78, both very high.
The standard deviation was 19.
If you scored less than 39, you need to work really hard in order to have a chance to pass this course.