js

ygopro-server.js

@@ -779,7 +779,7 @@
 
   get_memory_usage = global.get_memory_usage = function() {
     var percentUsed;
-    percentUsed = os.freemem() / os.totalmem() * 100;
+    percentUsed = (1 - os.freemem() / os.totalmem()) * 100;
     memory_usage = global.memory_usage = percentUsed;
   };