-47.26% is the change from 603 to 318
Calculation steps:
[( 318 - 603 ) ÷ 603] x 100 = -47.26%
Formula
Percentage change = [(318 - 603) / 603] x 100
Subtract the new number by the original number
318 - 603 = -285
-285 ÷ 603 = -0.472636815920398
-0.472636815920398 x 100 = -47.26%