-62.68% is the change from 879 to 328
Calculation steps:
[( 328 - 879 ) ÷ 879] x 100 = -62.68%
Formula
Percentage change = [(328 - 879) / 879] x 100
Subtract the new number by the original number
328 - 879 = -551
-551 ÷ 879 = -0.626848691695108
-0.626848691695108 x 100 = -62.68%