See how a running total differs from a rate of change using parcel deliveries:...

https://northpixelate.com/s/vz9Bj9EaT395Nc0X47de3

See how a running total differs from a rate of change using parcel deliveries: 120 parcels by noon is a total, while 15 parcels per hour describes a pace. The article shows how units and time windows make dashboard numbers easier to interpret.