-17.12% is the change from 438 to 363
Calculation steps:
[( 363 - 438 ) ÷ 438] x 100 = -17.12%
Formula
Percentage change = [(363 - 438) / 438] x 100
Subtract the new number by the original number
363 - 438 = -75
-75 ÷ 438 = -0.17123287671232876
-0.17123287671232876 x 100 = -17.12%