A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Make the reference to the cell with 10/25/2023 absolute: select the cell reference in the formula and press F4.
For example, if the first formula is
=NETWORKDAYS(D3, E2)
change it to
=NETWORKDAYS(D2, $E$2)
The $symbols "fixate" the reference.