-18.6% is the change from 602 to 490
Calculation steps:
[( 490 - 602 ) ÷ 602] x 100 = -18.6%
Formula
Percentage change = [(490 - 602) / 602] x 100
Subtract the new number by the original number
490 - 602 = -112
-112 ÷ 602 = -0.18604651162790697
-0.18604651162790697 x 100 = -18.6%