See how a running total differs from a rate of change using daily parcel counts...

https://www.sierrabookmarking.win/see-how-running-totals-differ-from-rates-of-change-with-parcel-deliveries-120

See how a running total differs from a rate of change using daily parcel counts as an example. The article explains the units—parcels versus parcels per day—and how your chosen time window changes what the numbers tell you.