-3.26% is the change from 797 to 771
Calculation steps:
[( 771 - 797 ) ÷ 797] x 100 = -3.26%
Formula
Percentage change = [(771 - 797) / 797] x 100
Subtract the new number by the original number
771 - 797 = -26
-26 ÷ 797 = -0.03262233375156838
-0.03262233375156838 x 100 = -3.26%