-95.88% is the change from 680 to 28
Calculation steps:
[( 28 - 680 ) ÷ 680] x 100 = -95.88%
Formula
Percentage change = [(28 - 680) / 680] x 100
Subtract the new number by the original number
28 - 680 = -652
-652 ÷ 680 = -0.9588235294117647
-0.9588235294117647 x 100 = -95.88%