-30.24% is the change from 863 to 602
Calculation steps:
[( 602 - 863 ) ÷ 863] x 100 = -30.24%
Formula
Percentage change = [(602 - 863) / 863] x 100
Subtract the new number by the original number
602 - 863 = -261
-261 ÷ 863 = -0.30243337195828507
-0.30243337195828507 x 100 = -30.24%