-11.59% is the change from 690 to 610
Calculation steps:
[( 610 - 690 ) ÷ 690] x 100 = -11.59%
Formula
Percentage change = [(610 - 690) / 690] x 100
Subtract the new number by the original number
610 - 690 = -80
-80 ÷ 690 = -0.11594202898550725
-0.11594202898550725 x 100 = -11.59%