The height of a sunflower increases from 82 cm to 1 metre in a week. Find the percentage increase in height.

So, the sunflower is increasing from. 82 meters to 1 meter. This is a. 18 meter increase. We need to figure out what percent of 82 18 is. We do this by dividing 18 by 82 and multiply the result by 100 to get a percent. This equals 21.95%