-9.4% is the change from 596 to 540
Calculation steps:
[( 540 - 596 ) ÷ 596] x 100 = -9.4%
Formula
Percentage change = [(540 - 596) / 596] x 100
Subtract the new number by the original number
540 - 596 = -56
-56 ÷ 596 = -0.09395973154362416
-0.09395973154362416 x 100 = -9.4%