-11.4% is the change from 684 to 606
Calculation steps:
[( 606 - 684 ) ÷ 684] x 100 = -11.4%
Formula
Percentage change = [(606 - 684) / 684] x 100
Subtract the new number by the original number
606 - 684 = -78
-78 ÷ 684 = -0.11403508771929824
-0.11403508771929824 x 100 = -11.4%