-44% is the change from 400 to 224
Calculation steps:
[( 224 - 400 ) ÷ 400] x 100 = -44%
Formula
Percentage change = [(224 - 400) / 400] x 100
Subtract the new number by the original number
224 - 400 = -176
-176 ÷ 400 = -0.44
-0.44 x 100 = -44%
Example