Repeat counting up. Starting at your first point count up the rise then over the run. Take 00 as our starting place which is the red point in the picture below.
Find two points on the line.
Slope Percent Amount of Rise Amount of Run x 100. Find the slope of the line shown below using rise over run formula. The following formula is used to calculate the percentage of a slope of a line with respect to rise over run. Repeat counting up.