-30.32% is the change from 587 to 409
Calculation steps:
[( 409 - 587 ) ÷ 587] x 100 = -30.32%
Formula
Percentage change = [(409 - 587) / 587] x 100
Subtract the new number by the original number
409 - 587 = -178
-178 ÷ 587 = -0.303236797274276
-0.303236797274276 x 100 = -30.32%