-96.26% is the change from 669 to 25
Calculation steps:
[( 25 - 669 ) ÷ 669] x 100 = -96.26%
Formula
Percentage change = [(25 - 669) / 669] x 100
Subtract the new number by the original number
25 - 669 = -644
-644 ÷ 669 = -0.9626307922272048
-0.9626307922272048 x 100 = -96.26%