-1.77% is the change from 679 to 667
Calculation steps:
[( 667 - 679 ) ÷ 679] x 100 = -1.77%
Formula
Percentage change = [(667 - 679) / 679] x 100
Subtract the new number by the original number
667 - 679 = -12
-12 ÷ 679 = -0.017673048600883652
-0.017673048600883652 x 100 = -1.77%