You can extract the table everyday, even though they have changing values. You can use scrapping activity Extract Structured Data in order to achieve this.
Please refer the following doc for more info on this:
Use the “Data Scraping” wizard to extract the table data into a data table variable. You can use the “Next” or “Next page” button to extract data from multiple pages of the table.
Identify the column or cell that contains the dynamically changing value.
Use a “Get Text” or “Get Attribute” activity to extract the value from the identified column or cell.