Year-on-year change in total waiting minutes

How did annual total waiting minutes change between the last two complete calendar years? Report both totals, the absolute change and percentage change.

Expected: One row: prior, latest, change, percentage · Line chart
Tables: FactAdmissions, DimDate · columns

FactAdmissions
DimDate

WaitingMinutes
AdmissionDateKey
YearMonth
Topics: Time Series & Trends

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