TableColumnModel columnModel = resultsTable.getColumnModel();
DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
renderer.setHorizontalAlignment(SwingConstants.LEFT);
resultsTable.setDefaultRenderer(Double.class, renderer);
columnModel.getColumn(3).setCellRenderer(new PercentageCellRenderer(1));
columnModel.getColumn(4).setCellRenderer(new PercentageCellRenderer(1));
JScrollPane listScroller = new JScrollPane(resultsTable);
listScroller.setPreferredSize(new Dimension(350, 100));
listScroller.setAlignmentX(LEFT_ALIGNMENT);
JPanel listPanel = new JPanel();