-50% is the change from 488 to 244
Calculation steps:
[( 244 - 488 ) ÷ 488] x 100 = -50%
Formula
Percentage change = [(244 - 488) / 488] x 100
Subtract the new number by the original number
244 - 488 = -244
-244 ÷ 488 = -0.5
-0.5 x 100 = -50%
Example