-57.05% is the change from 603 to 259
Calculation steps:
[( 259 - 603 ) ÷ 603] x 100 = -57.05%
Formula
Percentage change = [(259 - 603) / 603] x 100
Subtract the new number by the original number
259 - 603 = -344
-344 ÷ 603 = -0.5704809286898839
-0.5704809286898839 x 100 = -57.05%