-11.79% is the change from 687 to 606
Calculation steps:
[( 606 - 687 ) ÷ 687] x 100 = -11.79%
Formula
Percentage change = [(606 - 687) / 687] x 100
Subtract the new number by the original number
606 - 687 = -81
-81 ÷ 687 = -0.11790393013100436
-0.11790393013100436 x 100 = -11.79%