-27.27% is the change from 671 to 488
Calculation steps:
[( 488 - 671 ) ÷ 671] x 100 = -27.27%
Formula
Percentage change = [(488 - 671) / 671] x 100
Subtract the new number by the original number
488 - 671 = -183
-183 ÷ 671 = -0.2727272727272727
-0.2727272727272727 x 100 = -27.27%