-28.09% is the change from 680 to 489
Calculation steps:
[( 489 - 680 ) ÷ 680] x 100 = -28.09%
Formula
Percentage change = [(489 - 680) / 680] x 100
Subtract the new number by the original number
489 - 680 = -191
-191 ÷ 680 = -0.28088235294117647
-0.28088235294117647 x 100 = -28.09%