-54.93% is the change from 284 to 128
Calculation steps:
[( 128 - 284 ) ÷ 284] x 100 = -54.93%
Formula
Percentage change = [(128 - 284) / 284] x 100
Subtract the new number by the original number
128 - 284 = -156
-156 ÷ 284 = -0.5492957746478874
-0.5492957746478874 x 100 = -54.93%