-39.33% is the change from 867 to 526
Calculation steps:
[( 526 - 867 ) ÷ 867] x 100 = -39.33%
Formula
Percentage change = [(526 - 867) / 867] x 100
Subtract the new number by the original number
526 - 867 = -341
-341 ÷ 867 = -0.3933102652825836
-0.3933102652825836 x 100 = -39.33%