On the first day of​ June, there were about h of daylight in a city. Five months​ later, there were about 0 h of daylight. What was the percent​ decrease?

Question

​(Round to the nearest whole number as​ needed.)

Answer 1

h to.0h = (h-0h)/h x 100% decrease

more specific example

from 1/2 to 1/4 has a decrease of (1/2-1/4)/(1/2) x 100 % (1/4)/(1/2) = 1/2 = 50%