-36.53% is the change from 449 to 285
Calculation steps:
[( 285 - 449 ) ÷ 449] x 100 = -36.53%
Formula
Percentage change = [(285 - 449) / 449] x 100
Subtract the new number by the original number
285 - 449 = -164
-164 ÷ 449 = -0.36525612472160357
-0.36525612472160357 x 100 = -36.53%