-30.65% is the change from 868 to 602
Calculation steps:
[( 602 - 868 ) ÷ 868] x 100 = -30.65%
Formula
Percentage change = [(602 - 868) / 868] x 100
Subtract the new number by the original number
602 - 868 = -266
-266 ÷ 868 = -0.3064516129032258
-0.3064516129032258 x 100 = -30.65%