Waterfall charts are used to visualize the cumulative effect of positive and negative values in a sequential manner. In other way you can say that it shows where the value (positive or negative) starts and where it will ends i.e. how these values are incremented or decremented. So by using water fall chart you can see the change in size and difference in data values between two consecutive records or data points. For creation of waterfall chart in tableau you need to have at least one dimension and one measure.
Below is the final output of the waterfall chart.
If you want to learn more about creation of different charts in Tableau then check tableau certification
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