-29.67% is the change from 856 to 602
Calculation steps:
[( 602 - 856 ) ÷ 856] x 100 = -29.67%
Formula
Percentage change = [(602 - 856) / 856] x 100
Subtract the new number by the original number
602 - 856 = -254
-254 ÷ 856 = -0.2967289719626168
-0.2967289719626168 x 100 = -29.67%