-11.94% is the change from 821 to 723
Calculation steps:
[( 723 - 821 ) ÷ 821] x 100 = -11.94%
Formula
Percentage change = [(723 - 821) / 821] x 100
Subtract the new number by the original number
723 - 821 = -98
-98 ÷ 821 = -0.11936662606577345
-0.11936662606577345 x 100 = -11.94%