-35.94% is the change from 448 to 287
Calculation steps:
[( 287 - 448 ) ÷ 448] x 100 = -35.94%
Formula
Percentage change = [(287 - 448) / 448] x 100
Subtract the new number by the original number
287 - 448 = -161
-161 ÷ 448 = -0.359375
-0.359375 x 100 = -35.94%