-30.66% is the change from 587 to 407
Calculation steps:
[( 407 - 587 ) ÷ 587] x 100 = -30.66%
Formula
Percentage change = [(407 - 587) / 587] x 100
Subtract the new number by the original number
407 - 587 = -180
-180 ÷ 587 = -0.30664395229982966
-0.30664395229982966 x 100 = -30.66%