-38.27% is the change from 405 to 250
Calculation steps:
[( 250 - 405 ) ÷ 405] x 100 = -38.27%
Formula
Percentage change = [(250 - 405) / 405] x 100
Subtract the new number by the original number
250 - 405 = -155
-155 ÷ 405 = -0.38271604938271603
-0.38271604938271603 x 100 = -38.27%