Compare running totals with rates of change through parcel deliveries: parcels...

https://www.oscarbookmarks.win/use-parcels-to-see-how-a-running-total-differs-from-a-rate-of-change-a-weekly

Compare running totals with rates of change through parcel deliveries: parcels delivered is a total, while parcels per hour is a rate. See how units and a clear time window, like one morning shift, help you interpret the numbers.