diff --git a/app/src/main/java/tk/therealsuji/vtopchennai/services/VTOPService.java b/app/src/main/java/tk/therealsuji/vtopchennai/services/VTOPService.java
index 44ff306..ed0f868 100644
--- a/app/src/main/java/tk/therealsuji/vtopchennai/services/VTOPService.java
+++ b/app/src/main/java/tk/therealsuji/vtopchennai/services/VTOPService.java
@@ -1300,7 +1300,9 @@ private void downloadAttendance() {
                 List<Attendance> attendance = new ArrayList<>();
 
                 float overallAttendance = 0;
-                int attendanceLength = 0;
+
+                int attendedClasses = 0;
+                int totalClasses = 0;
 
                 for (int i = 0; i < attendanceArray.length(); ++i) {
                     JSONObject attendanceObject = attendanceArray.getJSONObject(i);
@@ -1318,16 +1320,15 @@ private void downloadAttendance() {
                     attendanceItem.total = this.getIntegerValue(attendanceObject, "total");
 
                     if (attendanceItem.attended != null && attendanceItem.total != null && attendanceItem.total != 0) {
-                        attendanceItem.percentage = (int) Math.ceil((attendanceItem.attended * 100.0) / attendanceItem.total);
-                        overallAttendance += attendanceItem.percentage;
-                        ++attendanceLength;
+                        attendedClasses += attendanceItem.attended;
+                        totalClasses += attendanceItem.total;
                     }
 
                     attendance.add(attendanceItem);
                 }
 
-                if (attendanceLength != 0) {
-                    overallAttendance /= attendanceLength;
+                if (totalClasses != 0) {
+                    overallAttendance = (attendedClasses * 100.0f) / totalClasses;
                 }
 
                 sharedPreferences.edit().putInt("overallAttendance", (int) overallAttendance).apply();