-52.21% is the change from 657 to 314
Calculation steps:
[( 314 - 657 ) ÷ 657] x 100 = -52.21%
Formula
Percentage change = [(314 - 657) / 657] x 100
Subtract the new number by the original number
314 - 657 = -343
-343 ÷ 657 = -0.5220700152207002
-0.5220700152207002 x 100 = -52.21%