-74.35% is the change from 499 to 128
Calculation steps:
[( 128 - 499 ) ÷ 499] x 100 = -74.35%
Formula
Percentage change = [(128 - 499) / 499] x 100
Subtract the new number by the original number
128 - 499 = -371
-371 ÷ 499 = -0.7434869739478958
-0.7434869739478958 x 100 = -74.35%