-96.35% is the change from 685 to 25
Calculation steps:
[( 25 - 685 ) ÷ 685] x 100 = -96.35%
Formula
Percentage change = [(25 - 685) / 685] x 100
Subtract the new number by the original number
25 - 685 = -660
-660 ÷ 685 = -0.9635036496350365
-0.9635036496350365 x 100 = -96.35%