-18.2% is the change from 599 to 490
Calculation steps:
[( 490 - 599 ) ÷ 599] x 100 = -18.2%
Formula
Percentage change = [(490 - 599) / 599] x 100
Subtract the new number by the original number
490 - 599 = -109
-109 ÷ 599 = -0.18196994991652754
-0.18196994991652754 x 100 = -18.2%