-13.6% is the change from 691 to 597
Calculation steps:
[( 597 - 691 ) ÷ 691] x 100 = -13.6%
Formula
Percentage change = [(597 - 691) / 691] x 100
Subtract the new number by the original number
597 - 691 = -94
-94 ÷ 691 = -0.13603473227206947
-0.13603473227206947 x 100 = -13.6%