-30.45% is the change from 867 to 603
Calculation steps:
[( 603 - 867 ) ÷ 867] x 100 = -30.45%
Formula
Percentage change = [(603 - 867) / 867] x 100
Subtract the new number by the original number
603 - 867 = -264
-264 ÷ 867 = -0.3044982698961938
-0.3044982698961938 x 100 = -30.45%