-16.52% is the change from 678 to 566
Calculation steps:
[( 566 - 678 ) ÷ 678] x 100 = -16.52%
Formula
Percentage change = [(566 - 678) / 678] x 100
Subtract the new number by the original number
566 - 678 = -112
-112 ÷ 678 = -0.16519174041297935
-0.16519174041297935 x 100 = -16.52%