-11.75% is the change from 817 to 721
Calculation steps:
[( 721 - 817 ) ÷ 817] x 100 = -11.75%
Formula
Percentage change = [(721 - 817) / 817] x 100
Subtract the new number by the original number
721 - 817 = -96
-96 ÷ 817 = -0.1175030599755202
-0.1175030599755202 x 100 = -11.75%