-59.1% is the change from 868 to 355
Calculation steps:
[( 355 - 868 ) ÷ 868] x 100 = -59.1%
Formula
Percentage change = [(355 - 868) / 868] x 100
Subtract the new number by the original number
355 - 868 = -513
-513 ÷ 868 = -0.5910138248847926
-0.5910138248847926 x 100 = -59.1%