-36.92% is the change from 455 to 287
Calculation steps:
[( 287 - 455 ) ÷ 455] x 100 = -36.92%
Formula
Percentage change = [(287 - 455) / 455] x 100
Subtract the new number by the original number
287 - 455 = -168
-168 ÷ 455 = -0.36923076923076925
-0.36923076923076925 x 100 = -36.92%