diff --git a/remove_back.py b/remove_back.py
index 203dd28..837316e 100644
--- a/remove_back.py
+++ b/remove_back.py
@@ -20,4 +20,5 @@ print("DONE!")
 print("")
 print(f"Lenght before: {len(l)}")
 print(f"Lenght after: {len(new_l)}")
-print(f"Optimized: {len(l)-len(new_l)}")
+optimized = len(l)-len(new_l)
+print(f"Optimized: {optimized} ( -{round(optimized/(len(l)/100))}% )")