-57.08% is the change from 671 to 288
Calculation steps:
[( 288 - 671 ) ÷ 671] x 100 = -57.08%
Formula
Percentage change = [(288 - 671) / 671] x 100
Subtract the new number by the original number
288 - 671 = -383
-383 ÷ 671 = -0.5707898658718331
-0.5707898658718331 x 100 = -57.08%