i don’t know it help

Answer:
63.15789474%
Step-by-step explanation:
Let x be the number out of 100 or the percentage.
[tex] \frac{240}{380} = \frac{x}{100} [/tex]
[tex]240 \times 100 = 380x[/tex]
[tex]24000 = 380x[/tex]
[tex]63.15789474[/tex]
The price of the cellphone increased by approximately 63.16% from 2010 to today.