-73.66% is the change from 486 to 128
Calculation steps:
[( 128 - 486 ) ÷ 486] x 100 = -73.66%
Formula
Percentage change = [(128 - 486) / 486] x 100
Subtract the new number by the original number
128 - 486 = -358
-358 ÷ 486 = -0.7366255144032922
-0.7366255144032922 x 100 = -73.66%