-74.19% is the change from 496 to 128
Calculation steps:
[( 128 - 496 ) ÷ 496] x 100 = -74.19%
Formula
Percentage change = [(128 - 496) / 496] x 100
Subtract the new number by the original number
128 - 496 = -368
-368 ÷ 496 = -0.7419354838709677
-0.7419354838709677 x 100 = -74.19%