-96.32% is the change from 680 to 25
Calculation steps:
[( 25 - 680 ) ÷ 680] x 100 = -96.32%
Formula
Percentage change = [(25 - 680) / 680] x 100
Subtract the new number by the original number
25 - 680 = -655
-655 ÷ 680 = -0.9632352941176471
-0.9632352941176471 x 100 = -96.32%