-9.11% is the change from 593 to 539
Calculation steps:
[( 539 - 593 ) ÷ 593] x 100 = -9.11%
Formula
Percentage change = [(539 - 593) / 593] x 100
Subtract the new number by the original number
539 - 593 = -54
-54 ÷ 593 = -0.09106239460370995
-0.09106239460370995 x 100 = -9.11%