diff --git a/bin/hardening.sh b/bin/hardening.sh
index b7be110..f843da6 100755
--- a/bin/hardening.sh
+++ b/bin/hardening.sh
@@ -273,7 +273,8 @@ if [ $BATCH_MODE ]; then
     BATCH_SUMMARY+="RUN_CHECKS:${TOTAL_TREATED_CHECKS:-0} "
     BATCH_SUMMARY+="TOTAL_CHECKS_AVAIL:${TOTAL_CHECKS:-0}"
     if [ $TOTAL_TREATED_CHECKS != 0 ]; then
-        BATCH_SUMMARY+=" CONFORMITY_PERCENTAGE:$(printf "%.2f" $( echo "($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100" | bc -l))"
+        CONFORMITY_PERCENTAGE=$(bc -l <<< "scale=2; ($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100")
+        BATCH_SUMMARY+=" CONFORMITY_PERCENTAGE:$(printf "%s" "$CONFORMITY_PERCENTAGE")"
     else
         BATCH_SUMMARY+=" CONFORMITY_PERCENTAGE:N.A" # No check runned, avoid division by 0
     fi
@@ -284,9 +285,12 @@ else
     printf "%30s %s\n"        "Total Runned Checks :" "$TOTAL_TREATED_CHECKS"
     printf "%30s [ %7s ]\n"   "Total Passed Checks :" "$PASSED_CHECKS/$TOTAL_TREATED_CHECKS"
     printf "%30s [ %7s ]\n"   "Total Failed Checks :" "$FAILED_CHECKS/$TOTAL_TREATED_CHECKS"
-    printf "%30s %.2f %%\n"   "Enabled Checks Percentage :" "$( echo "($TOTAL_TREATED_CHECKS/$TOTAL_CHECKS) * 100" | bc -l)"
+    
+    ENABLED_CHECKS_PERCENTAGE=$(bc -l <<< "scale=2; ($TOTAL_TREATED_CHECKS/$TOTAL_CHECKS) * 100")
+    CONFORMITY_PERCENTAGE=$(bc -l <<< "scale=2; ($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100")
+    printf "%30s %s %%\n"   "Enabled Checks Percentage :" "$ENABLED_CHECKS_PERCENTAGE"
     if [ $TOTAL_TREATED_CHECKS != 0 ]; then
-        printf "%30s %.2f %%\n"   "Conformity Percentage :" "$( echo "($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100" | bc -l)"
+        printf "%30s %s %%\n"   "Conformity Percentage :" "$CONFORMITY_PERCENTAGE"
     else
         printf "%30s %s %%\n"   "Conformity Percentage :" "N.A" # No check runned, avoid division by 0
     fi