-52.12% is the change from 685 to 328
Calculation steps:
[( 328 - 685 ) ÷ 685] x 100 = -52.12%
Formula
Percentage change = [(328 - 685) / 685] x 100
Subtract the new number by the original number
328 - 685 = -357
-357 ÷ 685 = -0.5211678832116788
-0.5211678832116788 x 100 = -52.12%