diff --git a/code/game/objects/items/devices/scanners/health.dm b/code/game/objects/items/devices/scanners/health.dm
index dfd7a898621a0..780391562cae4 100644
--- a/code/game/objects/items/devices/scanners/health.dm
+++ b/code/game/objects/items/devices/scanners/health.dm
@@ -303,28 +303,24 @@
 	. = jointext(.,"<br>")
 	. = jointext(list(header,.),null)
 
-// Calculates severity based on the ratios defined external limbs.
-/proc/get_wound_severity(damage_ratio, can_heal_overkill = 0)
-	var/degree
 
+// Calculates severity based on the ratios defined external limbs.
+/proc/get_wound_severity(damage_ratio, can_heal_overkill)
 	switch(damage_ratio)
-		if(0 to 10)
-			degree = "minor"
-		if(10 to 25)
-			degree = "moderate"
-		if(25 to 50)
-			degree = "significant"
-		if(50 to 75)
-			degree = "severe"
-		if(75 to 99)
-			degree = "extreme"
-		else
-			if(can_heal_overkill)
-				degree = "critical"
-			else
-				degree = "irreparable"
+		if (0 to 10)
+			return "minor"
+		if (10 to 25)
+			return "moderate"
+		if (25 to 50)
+			return "significant"
+		if (50 to 75)
+			return "severe"
+		if (75 to 99)
+			return "extreme"
+	if (can_heal_overkill)
+		return "critical"
+	return "irreparable"
 
-	return degree
 
 /obj/item/device/scanner/health/verb/toggle_mode()
 	set name = "Switch Verbosity"
diff --git a/code/modules/organs/internal/_internal.dm b/code/modules/organs/internal/_internal.dm
index 82aa857e1471d..42ebfd2c1186f 100644
--- a/code/modules/organs/internal/_internal.dm
+++ b/code/modules/organs/internal/_internal.dm
@@ -180,7 +180,8 @@
 	heal_damage(damage)
 
 /obj/item/organ/internal/proc/get_scarring_level()
-	. = (initial(max_damage) - max_damage)/initial(max_damage)
+	var/initial_max = initial(max_damage)
+	return (initial_max - max_damage) * 100 / initial_max
 
 /obj/item/organ/internal/get_scan_results(tag = FALSE)
 	. = ..()
diff --git a/code/modules/organs/internal/brain.dm b/code/modules/organs/internal/brain.dm
index 90b20bde75902..73e8f1419fd97 100644
--- a/code/modules/organs/internal/brain.dm
+++ b/code/modules/organs/internal/brain.dm
@@ -270,7 +270,7 @@
 	heal_damage(damage)
 
 /obj/item/organ/internal/brain/get_scarring_level()
-	. = (species.total_health - max_damage)/species.total_health
+	return (species.total_health - max_damage) * 100 / species.total_health
 
 /obj/item/organ/internal/brain/get_mechanical_assisted_descriptor()
 	return "machine-interface [name]"