-59% is the change from 800 to 328
Calculation steps:
[( 328 - 800 ) ÷ 800] x 100 = -59%
Formula
Percentage change = [(328 - 800) / 800] x 100
Subtract the new number by the original number
328 - 800 = -472
-472 ÷ 800 = -0.59
-0.59 x 100 = -59%
Example