-52.4% is the change from 603 to 287
Calculation steps:
[( 287 - 603 ) ÷ 603] x 100 = -52.4%
Formula
Percentage change = [(287 - 603) / 603] x 100
Subtract the new number by the original number
287 - 603 = -316
-316 ÷ 603 = -0.5240464344941956
-0.5240464344941956 x 100 = -52.4%