diff --git a/release-validation-1/src/main/java/org/jlab/c12val/ParticleCounter.java b/release-validation-1/src/main/java/org/jlab/c12val/ParticleCounter.java
index 656769c..90f5a89 100644
--- a/release-validation-1/src/main/java/org/jlab/c12val/ParticleCounter.java
+++ b/release-validation-1/src/main/java/org/jlab/c12val/ParticleCounter.java
@@ -71,9 +71,11 @@ public void processRecBank(DataBank recBank, int gpid, Integer gq, double gpx, d
 
 
   public void printResults() {
-    System.out.printf("%-7s %-7s %-7s %n", "pid", "#gen", "#rec");
+    System.out.printf("%-7s %-7s %-7s %-7s %n", "pid", "#gen", "#rec", "#percent");
     for(int i = 0; i < pids.size(); i++) {
-      System.out.printf("%-7d %-7d %-7d %n", pids.get(i), genCounts.get(i), recCounts.get(i));
+        if(genCounts.get(i) >0) {
+            System.out.printf("%-7d %-7d %-7d %-2f %n", pids.get(i), genCounts.get(i), recCounts.get(i), 100.0*recCounts.get(i)/genCounts.get(i));
+        }
     }
   }