What is the origin of the idiom "facts and figures" and when to use it?

The idiom "facts and figures" originated from the practice of presenting statistical data and concrete information to support or illustrate a point. It emphasizes the use of factual evidence and numerical data to provide a comprehensive and objective understanding of a particular subject or situation. In other words, the phrase suggests that relying on accurate and verifiable information enhances the credibility and validity of an argument or analysis, enabling a more informed and evidence-based discussion.