-16.63% is the change from 409 to 341
Calculation steps:
[( 341 - 409 ) ÷ 409] x 100 = -16.63%
Formula
Percentage change = [(341 - 409) / 409] x 100
Subtract the new number by the original number
341 - 409 = -68
-68 ÷ 409 = -0.16625916870415647
-0.16625916870415647 x 100 = -16.63%