-79.01% is the change from 486 to 102
Calculation steps:
[( 102 - 486 ) ÷ 486] x 100 = -79.01%
Formula
Percentage change = [(102 - 486) / 486] x 100
Subtract the new number by the original number
102 - 486 = -384
-384 ÷ 486 = -0.7901234567901234
-0.7901234567901234 x 100 = -79.01%