-20.99% is the change from 486 to 384
Calculation steps:
[( 384 - 486 ) ÷ 486] x 100 = -20.99%
Formula
Percentage change = [(384 - 486) / 486] x 100
Subtract the new number by the original number
384 - 486 = -102
-102 ÷ 486 = -0.20987654320987653
-0.20987654320987653 x 100 = -20.99%