-89.86% is the change from 483 to 49
Calculation steps:
[( 49 - 483 ) ÷ 483] x 100 = -89.86%
Formula
Percentage change = [(49 - 483) / 483] x 100
Subtract the new number by the original number
49 - 483 = -434
-434 ÷ 483 = -0.8985507246376812
-0.8985507246376812 x 100 = -89.86%