I don't see anything other than changing the orientation. I don't see anything to set the size %. I have not been able to do this since I went from Windows XP to Windows 10, regardless of browser....

Can you tell me exactly how to change the print size by percent with Chrome and Firefox?

With Windows XP, when I printed a shipping label on Ebay I could select the page size as a %.

Now, with Windows 10, I cannot. The shipping label are PDFs. I can't edit their content, but I do want...