-53.21% is the change from 669 to 313
Calculation steps:
[( 313 - 669 ) ÷ 669] x 100 = -53.21%
Formula
Percentage change = [(313 - 669) / 669] x 100
Subtract the new number by the original number
313 - 669 = -356
-356 ÷ 669 = -0.5321375186846039
-0.5321375186846039 x 100 = -53.21%