Account and content: [Exact account and post or defined group.]

Period and observation window: [Dates and time zone.]

Included interactions: [Named fields and their counts.]

Excluded or unavailable fields: [State what is not included and why.]

Denominator: [Reach / impressions / dated follower count.]

Calculation: [Interaction total ÷ denominator × 100.]

Comparison rule: [Same definition, scope and measurement window.]