-8.8% is the change from 591 to 539
Calculation steps:
[( 539 - 591 ) ÷ 591] x 100 = -8.8%
Formula
Percentage change = [(539 - 591) / 591] x 100
Subtract the new number by the original number
539 - 591 = -52
-52 ÷ 591 = -0.08798646362098139
-0.08798646362098139 x 100 = -8.8%