-96.25% is the change from 667 to 25
Calculation steps:
[( 25 - 667 ) ÷ 667] x 100 = -96.25%
Formula
Percentage change = [(25 - 667) / 667] x 100
Subtract the new number by the original number
25 - 667 = -642
-642 ÷ 667 = -0.9625187406296851
-0.9625187406296851 x 100 = -96.25%