-15.8% is the change from 690 to 581
Calculation steps:
[( 581 - 690 ) ÷ 690] x 100 = -15.8%
Formula
Percentage change = [(581 - 690) / 690] x 100
Subtract the new number by the original number
581 - 690 = -109
-109 ÷ 690 = -0.15797101449275364
-0.15797101449275364 x 100 = -15.8%