Answer:
The equation which shows change of percent is :

Explanation:
The cost price of the bike = $250
The selling price of the bike = $625
Now, total Profit on the bike = Selling Price - Cost Price
= $625 - $250 = $375
So, the total profit on bike = $375 =Change in the price of bike
Now, to calculate percent of change :

=

Hence, the change of percent here is 150%
and the equation which shows it is :
