-15.05% is the change from 691 to 587
Calculation steps:
[( 587 - 691 ) ÷ 691] x 100 = -15.05%
Formula
Percentage change = [(587 - 691) / 691] x 100
Subtract the new number by the original number
587 - 691 = -104
-104 ÷ 691 = -0.15050651230101303
-0.15050651230101303 x 100 = -15.05%