-17.31% is the change from 439 to 363
Calculation steps:
[( 363 - 439 ) ÷ 439] x 100 = -17.31%
Formula
Percentage change = [(363 - 439) / 439] x 100
Subtract the new number by the original number
363 - 439 = -76
-76 ÷ 439 = -0.17312072892938496
-0.17312072892938496 x 100 = -17.31%