-25.67% is the change from 970 to 721
Calculation steps:
[( 721 - 970 ) ÷ 970] x 100 = -25.67%
Formula
Percentage change = [(721 - 970) / 970] x 100
Subtract the new number by the original number
721 - 970 = -249
-249 ÷ 970 = -0.256701030927835
-0.256701030927835 x 100 = -25.67%