Default to floor rounding mode

src/utils/shorten-number.jsx

@@ -1,5 +1,6 @@
 const { locale } = Intl.NumberFormat().resolvedOptions();
 const shortenNumber = Intl.NumberFormat(locale, {
   notation: 'compact',
+  roundingMode: 'floor',
 }).format;
 export default shortenNumber;