-79.3% is the change from 483 to 100
Calculation steps:
[( 100 - 483 ) ÷ 483] x 100 = -79.3%
Formula
Percentage change = [(100 - 483) / 483] x 100
Subtract the new number by the original number
100 - 483 = -383
-383 ÷ 483 = -0.7929606625258799
-0.7929606625258799 x 100 = -79.3%