DjVu Compression Ratios Compared To Other Formats
This paper, DjVu: Results and Comparisons, includes tables of results comparing the compression ratios of DjVu with other formats for documents of various types.
Note: this paper is in DjVu. If you do not already have the DjVu Plug-in installed on your system, you will need to download the Plug-in before you can view the slides.