-37.64% is the change from 457 to 285
Calculation steps:
[( 285 - 457 ) ÷ 457] x 100 = -37.64%
Formula
Percentage change = [(285 - 457) / 457] x 100
Subtract the new number by the original number
285 - 457 = -172
-172 ÷ 457 = -0.37636761487964987
-0.37636761487964987 x 100 = -37.64%