-10.21% is the change from 823 to 739
Calculation steps:
[( 739 - 823 ) ÷ 823] x 100 = -10.21%
Formula
Percentage change = [(739 - 823) / 823] x 100
Subtract the new number by the original number
739 - 823 = -84
-84 ÷ 823 = -0.10206561360874848
-0.10206561360874848 x 100 = -10.21%