-74.04% is the change from 493 to 128
Calculation steps:
[( 128 - 493 ) ÷ 493] x 100 = -74.04%
Formula
Percentage change = [(128 - 493) / 493] x 100
Subtract the new number by the original number
128 - 493 = -365
-365 ÷ 493 = -0.7403651115618661
-0.7403651115618661 x 100 = -74.04%