-38.81% is the change from 657 to 402
Calculation steps:
[( 402 - 657 ) ÷ 657] x 100 = -38.81%
Formula
Percentage change = [(402 - 657) / 657] x 100
Subtract the new number by the original number
402 - 657 = -255
-255 ÷ 657 = -0.3881278538812785
-0.3881278538812785 x 100 = -38.81%