-56.5% is the change from 400 to 174
Calculation steps:
[( 174 - 400 ) ÷ 400] x 100 = -56.5%
Formula
Percentage change = [(174 - 400) / 400] x 100
Subtract the new number by the original number
174 - 400 = -226
-226 ÷ 400 = -0.565
-0.565 x 100 = -56.5%