-28.23% is the change from 868 to 623
Calculation steps:
[( 623 - 868 ) ÷ 868] x 100 = -28.23%
Formula
Percentage change = [(623 - 868) / 868] x 100
Subtract the new number by the original number
623 - 868 = -245
-245 ÷ 868 = -0.28225806451612906
-0.28225806451612906 x 100 = -28.23%