-17.18% is the change from 483 to 400
Calculation steps:
[( 400 - 483 ) ÷ 483] x 100 = -17.18%
Formula
Percentage change = [(400 - 483) / 483] x 100
Subtract the new number by the original number
400 - 483 = -83
-83 ÷ 483 = -0.17184265010351968
-0.17184265010351968 x 100 = -17.18%