-62.21% is the change from 868 to 328
Calculation steps:
[( 328 - 868 ) ÷ 868] x 100 = -62.21%
Formula
Percentage change = [(328 - 868) / 868] x 100
Subtract the new number by the original number
328 - 868 = -540
-540 ÷ 868 = -0.6221198156682027
-0.6221198156682027 x 100 = -62.21%