-9.84% is the change from 488 to 440
Calculation steps:
[( 440 - 488 ) ÷ 488] x 100 = -9.84%
Formula
Percentage change = [(440 - 488) / 488] x 100
Subtract the new number by the original number
440 - 488 = -48
-48 ÷ 488 = -0.09836065573770492
-0.09836065573770492 x 100 = -9.84%