-41.91% is the change from 680 to 395
Calculation steps:
[( 395 - 680 ) ÷ 680] x 100 = -41.91%
Formula
Percentage change = [(395 - 680) / 680] x 100
Subtract the new number by the original number
395 - 680 = -285
-285 ÷ 680 = -0.41911764705882354
-0.41911764705882354 x 100 = -41.91%