Grading history allows you to see who graded each assignment and revert scores for students.
In Course Navigation, click the Grades link.
Click the Drop-down menu present near the Gradebook and select Gradebook History.
Find the assignment you want to view the grading history for.
If you want to locate a specific grade change, you can filter Gradebook History by Student [1], Grader [2], Assignment [3], Start Date [4] and End Date [5].
If you want to locate a specific grade change for a particular student, you can filter it by type the student name in the Student text field [1]. Then click the Filter button [2] and check the Student column [3] in Gradebook history page.
If you want to locate a specific grade change for a particular assignment of the students, you can filter it by type the assignment name in the Assignment text field [1]. Then click the Filter button [2] and check the Assignment column [3] in Gradebook history page.
If you also want to filter grading history by start date [1] or end date [2], click the date field and then select a date from the calendar. Then click the Filter button [4] and check the Date of assignments in the gradebook.