Is thre a way that the results in a cut plot (for example velocity) can be quantified to output the percentage of each gradient level. For example velocity of 2-3 fpm is plotted green.....what is the % green on the plot?

Is there a way that the results in a cut plot (for example velocity) can be quantified to output the percentage of each gradient level.  For example, velocity of 2-3 fpm is plotted green.....what is the % green on the plot?

SolidworksFlow Simulation