-74.49% is the change from 980 to 250
Calculation steps:
[( 250 - 980 ) ÷ 980] x 100 = -74.49%
Formula
Percentage change = [(250 - 980) / 980] x 100
Subtract the new number by the original number
250 - 980 = -730
-730 ÷ 980 = -0.7448979591836735
-0.7448979591836735 x 100 = -74.49%