I have the following array below apart from it having more data and its all stored in a string array. how would I sort it so that It goes from highest to lowest.

col 0 col 1

example 0 90.87

example 1 100.87

example 2 873.88

example 9 88.98

to

example 2 873.88

example 1 100.87

example 0 90.87

example 9 88.98

???