-17.26% is the change from 591 to 489
Calculation steps:
[( 489 - 591 ) ÷ 591] x 100 = -17.26%
Formula
Percentage change = [(489 - 591) / 591] x 100
Subtract the new number by the original number
489 - 591 = -102
-102 ÷ 591 = -0.17258883248730963
-0.17258883248730963 x 100 = -17.26%