-40.3% is the change from 603 to 360
Calculation steps:
[( 360 - 603 ) ÷ 603] x 100 = -40.3%
Formula
Percentage change = [(360 - 603) / 603] x 100
Subtract the new number by the original number
360 - 603 = -243
-243 ÷ 603 = -0.40298507462686567
-0.40298507462686567 x 100 = -40.3%