How desending order works ?
Descending order goes from largest number to the smallest number.
Ex1: 50, 40, 30, 20, 10.
Ex2: 90, 54, 12, 7, 3.
This kind of sorting is the base for algorithms that are popular in computer science.
They are Bubble Sort ,Insertion sort ,Selection sort, Quick sort , Merge Sort and so on.