With Benchmark Reports, you can:
Compare two Dates: A ranking of terms on a single URL, comparing two dates.
Compare two Weeks: A ranking of terms on a single URL, comparing two weeks.
Compare two Months: A ranking of terms on a single URL, comparing two months.
At the left menu, click Reports Center > Benchmark Reports > Compare two Dates/Weeks/Months
• Click "Add New Report" at top right.
• Set the report's setting you need, select a URL and dates/weeks/months to compare, and click Save.
When viewing the report, at the top, you'll see a summary of how many terms’ rankings went up, how many went down, and how many didn't change, and the changes in rank groups.
Below, you'll see a table with the ranking each term had at the earlier date/week/month compared to the later date/week/month, with the change data (value and percentage).