-36.78% is the change from 454 to 287
Calculation steps:
[( 287 - 454 ) ÷ 454] x 100 = -36.78%
Formula
Percentage change = [(287 - 454) / 454] x 100
Subtract the new number by the original number
287 - 454 = -167
-167 ÷ 454 = -0.36784140969163
-0.36784140969163 x 100 = -36.78%