-73.88% is the change from 984 to 257
Calculation steps:
[( 257 - 984 ) ÷ 984] x 100 = -73.88%
Formula
Percentage change = [(257 - 984) / 984] x 100
Subtract the new number by the original number
257 - 984 = -727
-727 ÷ 984 = -0.7388211382113821
-0.7388211382113821 x 100 = -73.88%