fix displayed percentage

Author: luxer

Concealment/ConcealmentPlugin.cs

@@ -336,7 +336,7 @@ public int ConcealGrids(double distanceFromPlayers = 0)
             var totalCount = MyEntities.GetEntities().Count(x => x is MyCubeGrid);
 
             if (concealed > 0)
-                Log.Info($"{concealedCount+concealed}/{totalCount} grids are concealed ({concealedCount+concealed/(float)totalCount:P}), {concealed} new.");
+                Log.Info($"{concealedCount+concealed}/{totalCount} grids are concealed ({(concealedCount+concealed)/(float)totalCount:P}), {concealed} new.");
 
             return concealed;
         }