-41.13% is the change from 671 to 395
Calculation steps:
[( 395 - 671 ) ÷ 671] x 100 = -41.13%
Formula
Percentage change = [(395 - 671) / 671] x 100
Subtract the new number by the original number
395 - 671 = -276
-276 ÷ 671 = -0.4113263785394933
-0.4113263785394933 x 100 = -41.13%