-0.24% is the change from 409 to 408
Calculation steps:
[( 408 - 409 ) ÷ 409] x 100 = -0.24%
Formula
Percentage change = [(408 - 409) / 409] x 100
Subtract the new number by the original number
408 - 409 = -1
-1 ÷ 409 = -0.0024449877750611247
-0.0024449877750611247 x 100 = -0.24%