-2.69% is the change from 409 to 398
Calculation steps:
[( 398 - 409 ) ÷ 409] x 100 = -2.69%
Formula
Percentage change = [(398 - 409) / 409] x 100
Subtract the new number by the original number
398 - 409 = -11
-11 ÷ 409 = -0.02689486552567237
-0.02689486552567237 x 100 = -2.69%