-6.68% is the change from 584 to 545
Calculation steps:
[( 545 - 584 ) ÷ 584] x 100 = -6.68%
Formula
Percentage change = [(545 - 584) / 584] x 100
Subtract the new number by the original number
545 - 584 = -39
-39 ÷ 584 = -0.06678082191780822
-0.06678082191780822 x 100 = -6.68%