Illustration of Percent Change with solutions
Description of the GeoGebra applet:
This GeoGebra applet builds upon the previous activity. As before, you can set the initial value by typing it in the input bar. This value is represented by the green bar. The new value, represented by the orange bar, can be adjusted by dragging the orange POINT on the grid.
To see the solution using unit bars or ratios, click the corresponding CHECKBOX for each option.