calorieDataController.returnDatabaseReference().addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            // This method is called once with the initial value and again whenever data at this location is updated.
            if(dataSnapshot.getValue(Integer.class) != null){
                Toast.makeText(Dashboard.this, String.valueOf(dataSnapshot.getValue()), Toast.LENGTH_SHORT).show();

                //If I change the value in setProgress to a static value such as 45, it displays correctly.
                ringProgressBar.setProgress((((Integer.parseInt(String.valueOf(dataSnapshot.getValue()))) /2500)*100));

            }else{

            }

        }
        @Override
        public void onCancelled(DatabaseError error) {
            // Failed to read value
        }
    });

<ProgressBar
    android:id="@+id/ringProgress"
    style="?android:progressBarStyleHorizontal"
    android:layout_width="250dp"
    android:layout_height="250dp"
    android:layout_marginTop="50dp"
    android:progress="0"
    android:progressDrawable="@drawable/ringprogress"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent" />

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="ring"
    android:innerRadius="100dp"
    android:thickness="20dp"
    android:useLevel="true">

    <solid android:color="@color/colorAccent"/>

</shape>