Direction comes from the sign

Up +12.4%Down −8.1%No change 0%No change 0%

Sizes

Up +12.4%Up +12.4%Up +12.4%Down −8.1%Down −8.1%

A fall is good news: invert swaps the hues, keeps the arrow

Down −14.2%Up +6.3%

Prefix and suffix

Up +12.4%vs last monthDown WoW−8.1%Up +$1,240todayUp +2.4Kvisits

Custom indicator, or none

Up +31%Down −31%Up 9.5%

Tabular: widths stay put as digits change

Up +11.1%Up +88.8%Up +100%