-31.81% is the change from 657 to 448
Calculation steps:
[( 448 - 657 ) ÷ 657] x 100 = -31.81%
Formula
Percentage change = [(448 - 657) / 657] x 100
Subtract the new number by the original number
448 - 657 = -209
-209 ÷ 657 = -0.3181126331811263
-0.3181126331811263 x 100 = -31.81%