-53.73% is the change from 657 to 304
Calculation steps:
[( 304 - 657 ) ÷ 657] x 100 = -53.73%
Formula
Percentage change = [(304 - 657) / 657] x 100
Subtract the new number by the original number
304 - 657 = -353
-353 ÷ 657 = -0.5372907153729072
-0.5372907153729072 x 100 = -53.73%