-39.22% is the change from 867 to 527
Calculation steps:
[( 527 - 867 ) ÷ 867] x 100 = -39.22%
Formula
Percentage change = [(527 - 867) / 867] x 100
Subtract the new number by the original number
527 - 867 = -340
-340 ÷ 867 = -0.39215686274509803
-0.39215686274509803 x 100 = -39.22%