-27.6% is the change from 605 to 438
Calculation steps:
[( 438 - 605 ) ÷ 605] x 100 = -27.6%
Formula
Percentage change = [(438 - 605) / 605] x 100
Subtract the new number by the original number
438 - 605 = -167
-167 ÷ 605 = -0.27603305785123966
-0.27603305785123966 x 100 = -27.6%