-39.75% is the change from 400 to 241
Calculation steps:
[( 241 - 400 ) ÷ 400] x 100 = -39.75%
Formula
Percentage change = [(241 - 400) / 400] x 100
Subtract the new number by the original number
241 - 400 = -159
-159 ÷ 400 = -0.3975
-0.3975 x 100 = -39.75%