Respuesta :

Lets say x = 89.99 and y = 56.49

P% * x = y

P% = y/x

56.49/89.99 = 0.6277

0.6277 * 100 = 62.77

But because we are looking for how much off the sale is:

100% - 62.77%

= 37.23%

The sale price is 37.23% off.

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