|
| From: | Yuri Khan |
| Subject: | Re: percent-change |
| Date: | Sat, 13 May 2023 22:16:59 +0700 |
On Sat, 13 May 2023 at 19:41, Emanuel Berg <incal@dataswamp.org> wrote:
>
> Take a look at this, see examples for intended bahvior.
> This was more difficult than I imagined, maybe there is some
> simpler way to do it?
(defun yk-percent-change (from to)
(if (= from to)
0
(/ (- to from) (abs from) 0.01)))
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