-33.67% is the change from 603 to 400
Calculation steps:
[( 400 - 603 ) ÷ 603] x 100 = -33.67%
Formula
Percentage change = [(400 - 603) / 603] x 100
Subtract the new number by the original number
400 - 603 = -203
-203 ÷ 603 = -0.33665008291873966
-0.33665008291873966 x 100 = -33.67%