-52.63% is the change from 684 to 324
Calculation steps:
[( 324 - 684 ) ÷ 684] x 100 = -52.63%
Formula
Percentage change = [(324 - 684) / 684] x 100
Subtract the new number by the original number
324 - 684 = -360
-360 ÷ 684 = -0.5263157894736842
-0.5263157894736842 x 100 = -52.63%