-17.49% is the change from 686 to 566
Calculation steps:
[( 566 - 686 ) ÷ 686] x 100 = -17.49%
Formula
Percentage change = [(566 - 686) / 686] x 100
Subtract the new number by the original number
566 - 686 = -120
-120 ÷ 686 = -0.1749271137026239
-0.1749271137026239 x 100 = -17.49%