Index: ssts-web/src/main/webapp/disinfectsystem/reportforms/supplyRoomQualityQuota.js
===================================================================
diff -u -r34630 -r36931
--- ssts-web/src/main/webapp/disinfectsystem/reportforms/supplyRoomQualityQuota.js	(.../supplyRoomQualityQuota.js)	(revision 34630)
+++ ssts-web/src/main/webapp/disinfectsystem/reportforms/supplyRoomQualityQuota.js	(.../supplyRoomQualityQuota.js)	(revision 36931)
@@ -193,8 +193,8 @@
 				value = data[item][tableHeader[i].field] || '';
 			} else if (tableHeader[i].field == 'improve') {
 				if (ratioValue) {
-					var first = data[item].value.split('%')[0];
-					var second = data[item].value2.split('%')[0];
+					var first = parseFloat(data[item].value.split('%')[0]);
+					var second = parseFloat(data[item].value2.split('%')[0]);
 					value = first - second;
 					if (parseFloat(value) == 0) {
 						value = '-';