-57.99% is the change from 657 to 276
Calculation steps:
[( 276 - 657 ) ÷ 657] x 100 = -57.99%
Formula
Percentage change = [(276 - 657) / 657] x 100
Subtract the new number by the original number
276 - 657 = -381
-381 ÷ 657 = -0.5799086757990868
-0.5799086757990868 x 100 = -57.99%