-17.57% is the change from 717 to 591
Calculation steps:
[( 591 - 717 ) ÷ 717] x 100 = -17.57%
Formula
Percentage change = [(591 - 717) / 717] x 100
Subtract the new number by the original number
591 - 717 = -126
-126 ÷ 717 = -0.17573221757322174
-0.17573221757322174 x 100 = -17.57%