We often wish to understand something by comparing values. For example, say I’m happily biking along 🚲😅 at when I get passed by a car 🚗💨 going . I might think: Yikes! That car was going three times my speed! Or: That car was going faster than me! (Cars are scary!) Or maybe I’m a cryptocurrency speculator, and I bought one Dinglecoin at the start of the year for and then sold it yesterday for . I’d say: *Oops, my return was *. Maybe I should invest elsewhere. There are many ways to compare val