-81.37% is the change from 483 to 90
Calculation steps:
[( 90 - 483 ) ÷ 483] x 100 = -81.37%
Formula
Percentage change = [(90 - 483) / 483] x 100
Subtract the new number by the original number
90 - 483 = -393
-393 ÷ 483 = -0.8136645962732919
-0.8136645962732919 x 100 = -81.37%