Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs
===================================================================
diff -u -r3462d84f3304a35ba5ce26c7d3afc9c31cdf9205 -r63f8b9c87db76c0aac38ac9a47530962d06849ae
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs	(.../PipingCalculationScenario.cs)	(revision 3462d84f3304a35ba5ce26c7d3afc9c31cdf9205)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs	(.../PipingCalculationScenario.cs)	(revision 63f8b9c87db76c0aac38ac9a47530962d06849ae)
@@ -63,7 +63,7 @@
             }
             set
             {
-                contribution = value.ToPrecision(0);
+                contribution = value;
             }
         }
     }
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -r820cebfd76a4993992451b6cdd5697f2510acfc9 -r63f8b9c87db76c0aac38ac9a47530962d06849ae
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 820cebfd76a4993992451b6cdd5697f2510acfc9)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 63f8b9c87db76c0aac38ac9a47530962d06849ae)
@@ -761,7 +761,7 @@
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Bijdrage.
+        ///   Looks up a localized string similar to Bijdrage in %.
         /// </summary>
         public static string PipingCalculationsView_InitializeDataGridView_Contribution {
             get {
@@ -779,7 +779,7 @@
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Bijdrage ondergrond profiel.
+        ///   Looks up a localized string similar to Bijdrage ondergrond profiel in %.
         /// </summary>
         public static string PipingCalculationsView_InitializeDataGridView_Stochastic_soil_profile_probability {
             get {
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.resx
===================================================================
diff -u -r820cebfd76a4993992451b6cdd5697f2510acfc9 -r63f8b9c87db76c0aac38ac9a47530962d06849ae
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision 820cebfd76a4993992451b6cdd5697f2510acfc9)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision 63f8b9c87db76c0aac38ac9a47530962d06849ae)
@@ -737,9 +737,9 @@
     <value>In eindbeoordeling</value>
   </data>
   <data name="PipingCalculationsView_InitializeDataGridView_Contribution" xml:space="preserve">
-    <value>Bijdrage</value>
+    <value>Bijdrage in %</value>
   </data>
   <data name="PipingCalculationsView_InitializeDataGridView_Stochastic_soil_profile_probability" xml:space="preserve">
-    <value>Bijdrage ondergrond profiel</value>
+    <value>Bijdrage ondergrond profiel in %</value>
   </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingCalculationsView.cs
===================================================================
diff -u -r3462d84f3304a35ba5ce26c7d3afc9c31cdf9205 -r63f8b9c87db76c0aac38ac9a47530962d06849ae
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingCalculationsView.cs	(.../PipingCalculationsView.cs)	(revision 3462d84f3304a35ba5ce26c7d3afc9c31cdf9205)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingCalculationsView.cs	(.../PipingCalculationsView.cs)	(revision 63f8b9c87db76c0aac38ac9a47530962d06849ae)
@@ -587,11 +587,11 @@
             {
                 get
                 {
-                    return pipingCalculation.Contribution;
+                    return new RoundedDouble(0, pipingCalculation.Contribution * 100);
                 }
                 set
                 {
-                    pipingCalculation.Contribution = value;
+                    pipingCalculation.Contribution = new RoundedDouble(2, value / 100);
                     pipingCalculation.NotifyObservers();
                 }
             }
@@ -645,7 +645,7 @@
             {
                 get
                 {
-                    return pipingCalculation.InputParameters.StochasticSoilProfile != null ? pipingCalculation.InputParameters.StochasticSoilProfile.Probability : 0;
+                    return pipingCalculation.InputParameters.StochasticSoilProfile != null ? pipingCalculation.InputParameters.StochasticSoilProfile.Probability * 100 : 0;
                 }
             }