-38.96% is the change from 657 to 401
Calculation steps:
[( 401 - 657 ) ÷ 657] x 100 = -38.96%
Formula
Percentage change = [(401 - 657) / 657] x 100
Subtract the new number by the original number
401 - 657 = -256
-256 ÷ 657 = -0.3896499238964992
-0.3896499238964992 x 100 = -38.96%