-79.42% is the change from 486 to 100
Calculation steps:
[( 100 - 486 ) ÷ 486] x 100 = -79.42%
Formula
Percentage change = [(100 - 486) / 486] x 100
Subtract the new number by the original number
100 - 486 = -386
-386 ÷ 486 = -0.7942386831275721
-0.7942386831275721 x 100 = -79.42%