---
id: percent-of
name: Percent.of
category: percent
kind: namespace-method
tokens: Percent.of
sig: Percent.of(num, den) -> fixed
tip: Clamped ratio num / den.
order: 1
ns: Percent
member: of
---
Forms the ratio num / den clamped to [0, 1] (0 when den is 0) — a filled-fraction from a part and a whole.
```ludic
program Demo {
handler Step phase Update {
let filled = Percent.of(current, maximum)
}
}
```