-5.66% is the change from 424 to 400
Calculation steps:
[( 400 - 424 ) ÷ 424] x 100 = -5.66%
Formula
Percentage change = [(400 - 424) / 424] x 100
Subtract the new number by the original number
400 - 424 = -24
-24 ÷ 424 = -0.05660377358490566
-0.05660377358490566 x 100 = -5.66%