Fix typo in fixed point preset

content.html

@@ -196,7 +196,7 @@ <h2>A binary point in the middle</h2>
 </p>
 <fixed-point-demo value="0x00038000">
     <template data-value="0x000000ac">0.00262</template>
-    <template data-value="0x028683d8">656.515</template>
+    <template data-value="0x028683d8">646.515</template>
     <template data-value="0x23293840">9001.22</template>
 </fixed-point-demo>
 <p>