-26.53% is the change from 867 to 637
Calculation steps:
[( 637 - 867 ) ÷ 867] x 100 = -26.53%
Formula
Percentage change = [(637 - 867) / 867] x 100
Subtract the new number by the original number
637 - 867 = -230
-230 ÷ 867 = -0.26528258362168394
-0.26528258362168394 x 100 = -26.53%