what would the correlation coefficient -0.86 represent in the context of the situation?

Here, the table and scatter plot show the relationship between the number of missing assignment and the student's grade.
The correlation coefficient shows the relationship between the number of missing assignments and the student's grade.
To find the correlation coefficient, we have:
Make a straight line to connect the points on the graph
The correlation coefficient r, = -0.86
ANSWER:
-0.