-51.19% is the change from 674 to 329
Calculation steps:
[( 329 - 674 ) ÷ 674] x 100 = -51.19%
Formula
Percentage change = [(329 - 674) / 674] x 100
Subtract the new number by the original number
329 - 674 = -345
-345 ÷ 674 = -0.5118694362017804
-0.5118694362017804 x 100 = -51.19%