-37.56% is the change from 868 to 542
Calculation steps:
[( 542 - 868 ) ÷ 868] x 100 = -37.56%
Formula
Percentage change = [(542 - 868) / 868] x 100
Subtract the new number by the original number
542 - 868 = -326
-326 ÷ 868 = -0.37557603686635943
-0.37557603686635943 x 100 = -37.56%