-16.09% is the change from 690 to 579
Calculation steps:
[( 579 - 690 ) ÷ 690] x 100 = -16.09%
Formula
Percentage change = [(579 - 690) / 690] x 100
Subtract the new number by the original number
579 - 690 = -111
-111 ÷ 690 = -0.1608695652173913
-0.1608695652173913 x 100 = -16.09%