-50% is the change from 704 to 352
Calculation steps:
[( 352 - 704 ) ÷ 704] x 100 = -50%
Formula
Percentage change = [(352 - 704) / 704] x 100
Subtract the new number by the original number
352 - 704 = -352
-352 ÷ 704 = -0.5
-0.5 x 100 = -50%
Example