-33.39% is the change from 602 to 401
Calculation steps:
[( 401 - 602 ) ÷ 602] x 100 = -33.39%
Formula
Percentage change = [(401 - 602) / 602] x 100
Subtract the new number by the original number
401 - 602 = -201
-201 ÷ 602 = -0.3338870431893688
-0.3338870431893688 x 100 = -33.39%