diff --git a/BizHawk.Client.Common/tools/Watch/ByteWatch.cs b/BizHawk.Client.Common/tools/Watch/ByteWatch.cs
index e576b01edd..50531248ba 100644
--- a/BizHawk.Client.Common/tools/Watch/ByteWatch.cs
+++ b/BizHawk.Client.Common/tools/Watch/ByteWatch.cs
@@ -200,7 +200,7 @@ namespace BizHawk.Client.Common
 		/// Get a string representation of difference
 		/// between current value and the previous one
 		/// </summary>
-		public override string Diff => $"{(byte)Math.Abs(_value - _previous):+G;-G;G}";
+		public override string Diff => $"{_value - (short)_previous:+#;-#;0}";
 
 		/// <summary>
 		/// Get the maximum possible value
diff --git a/BizHawk.Client.Common/tools/Watch/DWordWatch.cs b/BizHawk.Client.Common/tools/Watch/DWordWatch.cs
index 79a9ef03aa..360966dac0 100644
--- a/BizHawk.Client.Common/tools/Watch/DWordWatch.cs
+++ b/BizHawk.Client.Common/tools/Watch/DWordWatch.cs
@@ -231,7 +231,7 @@ namespace BizHawk.Client.Common
 		/// Get a string representation of difference
 		/// between current value and the previous one
 		/// </summary>
-		public override string Diff => (_previous - _value).ToString();
+		public override string Diff => $"{_value - (long)_previous:+#;-#;0}";
 
 		/// <summary>
 		/// Get the maximum possible value
diff --git a/BizHawk.Client.Common/tools/Watch/WordWatch.cs b/BizHawk.Client.Common/tools/Watch/WordWatch.cs
index 1fb49b7823..be6d461bf4 100644
--- a/BizHawk.Client.Common/tools/Watch/WordWatch.cs
+++ b/BizHawk.Client.Common/tools/Watch/WordWatch.cs
@@ -214,7 +214,7 @@ namespace BizHawk.Client.Common
 		/// Get a string representation of difference
 		/// between current value and the previous one
 		/// </summary>
-		public override string Diff => $"{(ushort)Math.Abs(_value - _previous):+G;-G;G}";
+		public override string Diff => $"{_value - (int)_previous:+#;-#;0}";
 
 		/// <summary>
 		/// Get the maximum possible value