-28.84% is the change from 971 to 691
Calculation steps:
[( 691 - 971 ) ÷ 971] x 100 = -28.84%
Formula
Percentage change = [(691 - 971) / 971] x 100
Subtract the new number by the original number
691 - 971 = -280
-280 ÷ 971 = -0.2883625128733265
-0.2883625128733265 x 100 = -28.84%