-28.9% is the change from 602 to 428
Calculation steps:
[( 428 - 602 ) ÷ 602] x 100 = -28.9%
Formula
Percentage change = [(428 - 602) / 602] x 100
Subtract the new number by the original number
428 - 602 = -174
-174 ÷ 602 = -0.28903654485049834
-0.28903654485049834 x 100 = -28.9%