If your organization is utilizing Credit tracking within Headrush, you may by default see a Credit Dashboard that only includes totals earned:

However, many times when tracking Credits in Headrush, your organization will also utilize 'Credit Plans.' Assuming these are assigned to a respective student you may be viewing, you will gain the percentage complete for each subject area included on the respective Credit Plan:

If a student does not have the percentage complete Credit Plan view, it likely means the student is not viewing the respective view:
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Or it means the student has not been assigned the respective Credit Plan. Accounts with the Admin role can quickly assign Credit Plans via Admin > Credits > Credit Plans > Click the plus icon in the 'Assigned to' section below the credit plan goals.