You can easily check past scans to see how your ranking positions have changed over time.
From your selected grid click on the telescope icon in the top right:
From this page you are exploring your rankings compared to your competitors.
Select the drop down to change to Past scans:
No you can look at each scan individually, or you can click compare to plot grids side by side:
When looking at all grids for a location, if you have multiple scans available, you will be able to see some progress metrics, which are measured from the previous scan.
