Maybe I've read it too much but doing the actual analysis of "what have I done and how was the impact" is a lot more than simply taking revenue beforehand and revenue afterwards and calling it a success. Also if I solve a bug that was discovered by QA, specified by PM that was hogging a lot of resources, did I really increase revenue? This trend in CVs is really annoying me as most of the time it's complete BS and only there because people watched a YT video on how to build your resume.