-41.6% is the change from 488 to 285
Calculation steps:
[( 285 - 488 ) ÷ 488] x 100 = -41.6%
Formula
Percentage change = [(285 - 488) / 488] x 100
Subtract the new number by the original number
285 - 488 = -203
-203 ÷ 488 = -0.41598360655737704
-0.41598360655737704 x 100 = -41.6%