-5.94% is the change from 303 to 285
Calculation steps:
[( 285 - 303 ) ÷ 303] x 100 = -5.94%
Formula
Percentage change = [(285 - 303) / 303] x 100
Subtract the new number by the original number
285 - 303 = -18
-18 ÷ 303 = -0.0594059405940594
-0.0594059405940594 x 100 = -5.94%