Here are some tips to keep in mind when writing your narrative:
For some examples and additional resources: https://www.altmetric.com/blog/how-to-write-impact-statements-with-altmetric-data/
Universities often include altmetrics and related concepts like social media engagement requirements in their tenure & promotion preparation guidelines. Taking the time to review relevant altmetrics and engagement with your work may help bolster attempts to display the impact of your work.
Resources
Factors that can help to generate and demonstrate research impact include
Altmetrics that track and count ‘mentions’ of research on the Internet can, along with traditional citation metrics, demonstrate impact. Of value in telling the full story about a research output are platforms that ‘pull together’ both forms and provide contextualised altmetrics rather than counts of views or downloads.