-29.97% is the change from 861 to 603
Calculation steps:
[( 603 - 861 ) ÷ 861] x 100 = -29.97%
Formula
Percentage change = [(603 - 861) / 861] x 100
Subtract the new number by the original number
603 - 861 = -258
-258 ÷ 861 = -0.29965156794425085
-0.29965156794425085 x 100 = -29.97%