-27.36% is the change from 603 to 438
Calculation steps:
[( 438 - 603 ) ÷ 603] x 100 = -27.36%
Formula
Percentage change = [(438 - 603) / 603] x 100
Subtract the new number by the original number
438 - 603 = -165
-165 ÷ 603 = -0.2736318407960199
-0.2736318407960199 x 100 = -27.36%