This is how to measure how you went over the Christmas period. Let get some facts.
In your point of sale software
Go to reports and click on sales.
Now select the last seven days. For the first run, ignore all the extra options you can examine here. Once you see what it does, you can expand for more detail. So use a previous date for 2020. Most people are telling me anyway that they think this is better for them than 2021.
Now a report with the simplified options here.
Now there are lots of details for you to examine. If you want to look at one department, click on the left.
Let me know how you went.