-74.39% is the change from 980 to 251
Calculation steps:
[( 251 - 980 ) ÷ 980] x 100 = -74.39%
Formula
Percentage change = [(251 - 980) / 980] x 100
Subtract the new number by the original number
251 - 980 = -729
-729 ÷ 980 = -0.7438775510204082
-0.7438775510204082 x 100 = -74.39%