-9.72% is the change from 597 to 539
Calculation steps:
[( 539 - 597 ) ÷ 597] x 100 = -9.72%
Formula
Percentage change = [(539 - 597) / 597] x 100
Subtract the new number by the original number
539 - 597 = -58
-58 ÷ 597 = -0.09715242881072027
-0.09715242881072027 x 100 = -9.72%