-57.1% is the change from 669 to 287
Calculation steps:
[( 287 - 669 ) ÷ 669] x 100 = -57.1%
Formula
Percentage change = [(287 - 669) / 669] x 100
Subtract the new number by the original number
287 - 669 = -382
-382 ÷ 669 = -0.5710014947683109
-0.5710014947683109 x 100 = -57.1%