-11.56% is the change from 597 to 528
Calculation steps:
[( 528 - 597 ) ÷ 597] x 100 = -11.56%
Formula
Percentage change = [(528 - 597) / 597] x 100
Subtract the new number by the original number
528 - 597 = -69
-69 ÷ 597 = -0.11557788944723618
-0.11557788944723618 x 100 = -11.56%