-57.53% is the change from 657 to 279
Calculation steps:
[( 279 - 657 ) ÷ 657] x 100 = -57.53%
Formula
Percentage change = [(279 - 657) / 657] x 100
Subtract the new number by the original number
279 - 657 = -378
-378 ÷ 657 = -0.5753424657534246
-0.5753424657534246 x 100 = -57.53%