-27.77% is the change from 677 to 489
Calculation steps:
[( 489 - 677 ) ÷ 677] x 100 = -27.77%
Formula
Percentage change = [(489 - 677) / 677] x 100
Subtract the new number by the original number
489 - 677 = -188
-188 ÷ 677 = -0.2776957163958641
-0.2776957163958641 x 100 = -27.77%