The relative change in weekly sales is mathematically given as
relative change= -12.857%
This is further explained below.
<h3>What is the relative change in weekly sales?</h3>
This Sale per week after the price decreases
=350-45
=305
Generally, the equation for relative change is mathematically given as

Hore final value =305 week
Initial Value =350 week
Relative Change
\\
=-12.857%
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