-27.94% is the change from 587 to 423
Calculation steps:
[( 423 - 587 ) ÷ 587] x 100 = -27.94%
Formula
Percentage change = [(423 - 587) / 587] x 100
Subtract the new number by the original number
423 - 587 = -164
-164 ÷ 587 = -0.27938671209540034
-0.27938671209540034 x 100 = -27.94%