The owner of the furniture store to reduce the price of the sofa from 800 to 560 by what percentage was the price of the sofa reduced

The original price of the sofa was $800 and the reduced price is $560.

To find the percentage reduction, we can use the formula:

Percentage Reduction = ((Original Price - Reduced Price) / Original Price) x 100

Percentage Reduction = (($800 - $560) / $800) x 100
Percentage Reduction = ($240 / $800) x 100
Percentage Reduction = 0.3 x 100
Percentage Reduction = 30%

Therefore, the price of the sofa was reduced by 30%.