-80.88% is the change from 680 to 130
Calculation steps:
[( 130 - 680 ) ÷ 680] x 100 = -80.88%
Formula
Percentage change = [(130 - 680) / 680] x 100
Subtract the new number by the original number
130 - 680 = -550
-550 ÷ 680 = -0.8088235294117647
-0.8088235294117647 x 100 = -80.88%