-6.21% is the change from 483 to 453
Calculation steps:
[( 453 - 483 ) ÷ 483] x 100 = -6.21%
Formula
Percentage change = [(453 - 483) / 483] x 100
Subtract the new number by the original number
453 - 483 = -30
-30 ÷ 483 = -0.062111801242236024
-0.062111801242236024 x 100 = -6.21%