The best way is to use professional OCR software, but you can also do it online. There are quite a few websites that offers free services to convert scanned PDFs and images to editable format such as Word. I have used some of them. In most cases, t fail to recognize and convert scanned documents with accuracy. Sometimes, t just don’t work at all. You can search “free online ocr” on Google and try them yourself. This video tutorial gives detailed instructions on how to convert PDFs, including scanned PDFs to Word with high accuracy and efficiency.
As you will see, you can create an Excel style chart, and it's also helpful to learn the basics on Chart Formats.