diff --git a/src/main/java/com/sparrowwallet/drongo/wallet/WalletTransaction.java b/src/main/java/com/sparrowwallet/drongo/wallet/WalletTransaction.java
index 1be8a4e..d55bd82 100644
--- a/src/main/java/com/sparrowwallet/drongo/wallet/WalletTransaction.java
+++ b/src/main/java/com/sparrowwallet/drongo/wallet/WalletTransaction.java
@@ -86,8 +86,12 @@ public class WalletTransaction {
         return selectedUtxos.keySet().stream().mapToLong(BlockTransactionHashIndex::getValue).sum();
     }
 
+    /**
+     * Fee percentage matches the Coldcard implementation of total fee as a percentage of total value out
+     * @return the fee percentage
+     */
     public double getFeePercentage() {
-        return (double)getFee() / getTotal();
+        return (double)getFee() / (getTotal() - getFee());
     }
 
     public boolean isCoinControlUsed() {