A demo of a simple waterfall chart. This Waterfall chart shows declining data and has a total column half way through the data too. It also has a key so you can label the differences between up and down columns. There's also a total column at the end which is optional (but is the default).
<script src="RGraph.svg.common.core.js"></script> <script src="RGraph.svg.waterfall.js"></script>Put this where you want the chart to show up:
<div style="width: 900px; height: 300px" id="chart-container"></div>This is the code that generates the chart: