Fix barWidth formula

Author: a-p-z

configuration.yaml

@@ -15,4 +15,4 @@ lovelace:
   mode: yaml
   resources:
     - url: /local/datetime-card/datetime-card.js
-      type: module
+      type: module

src/datetime/DatetimeBar.svelte

@@ -25,7 +25,7 @@
     friendlyName || hass?.states?.[entity?.id]?.attributes?.friendly_name,
   );
   let barWidth = $derived<number>(
-    Math.min(Math.abs((100 * (resetForward ? state + max : state)) / max), 100),
+    Math.min((100 * state) / max + (resetForward ? 100 : 0), 100),
   );
 </script>