Latte dropped from 3.12$ to 2.39$ what's the percentage of the change

percentage of change=23.39%

Step-by-step explanation:

Original amount=$3.12

Decreased amount=$2.39

Change in amount=$ (3.12-2.39)

=$0.73

Percentage change=0.73*100/orig amnt.

=0.73*100/3.12

=73/3.12

=7300/312

=23.39%