-53.06% is the change from 669 to 314
Calculation steps:
[( 314 - 669 ) ÷ 669] x 100 = -53.06%
Formula
Percentage change = [(314 - 669) / 669] x 100
Subtract the new number by the original number
314 - 669 = -355
-355 ÷ 669 = -0.5306427503736921
-0.5306427503736921 x 100 = -53.06%