-41.84% is the change from 490 to 285
Calculation steps:
[( 285 - 490 ) ÷ 490] x 100 = -41.84%
Formula
Percentage change = [(285 - 490) / 490] x 100
Subtract the new number by the original number
285 - 490 = -205
-205 ÷ 490 = -0.41836734693877553
-0.41836734693877553 x 100 = -41.84%