-71.31% is the change from 976 to 280
Calculation steps:
[( 280 - 976 ) ÷ 976] x 100 = -71.31%
Formula
Percentage change = [(280 - 976) / 976] x 100
Subtract the new number by the original number
280 - 976 = -696
-696 ÷ 976 = -0.7131147540983607
-0.7131147540983607 x 100 = -71.31%