-28.92% is the change from 868 to 617
Calculation steps:
[( 617 - 868 ) ÷ 868] x 100 = -28.92%
Formula
Percentage change = [(617 - 868) / 868] x 100
Subtract the new number by the original number
617 - 868 = -251
-251 ÷ 868 = -0.2891705069124424
-0.2891705069124424 x 100 = -28.92%