-57.21% is the change from 673 to 288
Calculation steps:
[( 288 - 673 ) ÷ 673] x 100 = -57.21%
Formula
Percentage change = [(288 - 673) / 673] x 100
Subtract the new number by the original number
288 - 673 = -385
-385 ÷ 673 = -0.5720653789004457
-0.5720653789004457 x 100 = -57.21%