-40.65% is the change from 674 to 400
Calculation steps:
[( 400 - 674 ) ÷ 674] x 100 = -40.65%
Formula
Percentage change = [(400 - 674) / 674] x 100
Subtract the new number by the original number
400 - 674 = -274
-274 ÷ 674 = -0.4065281899109792
-0.4065281899109792 x 100 = -40.65%