-48.24% is the change from 680 to 352
Calculation steps:
[( 352 - 680 ) ÷ 680] x 100 = -48.24%
Formula
Percentage change = [(352 - 680) / 680] x 100
Subtract the new number by the original number
352 - 680 = -328
-328 ÷ 680 = -0.4823529411764706
-0.4823529411764706 x 100 = -48.24%