How is the score in the Listings section of Report Card calculated?

How is the score in the Listings section of Report Card calculated?

We calculate the score for the Listings section using the following formula: 

Listings Score = (Number of directories you're listed on / Total directories looked up) * 100





Example:
  1. Number of directories you're listed on = 32
  2. Total directories we looked at = 43
  3. % Calculation = (32/43) * 100
  4. Listings % = 74.41% 
Grade - C (see score table below)