Not sure why the values are constant in your sheet are constant. Like Nithin said, expense ratio is deducted daily. So you can download the historic NAVs and deduct the expense ratios from both direct and regular to calculate the savings.
Not sure why the values are constant in your sheet are constant. Like Nithin said, expense ratio is deducted daily. So you can download the historic NAVs and deduct the expense ratios from both direct and regular to calculate the savings.