-12.88% is the change from 823 to 717
Calculation steps:
[( 717 - 823 ) ÷ 823] x 100 = -12.88%
Formula
Percentage change = [(717 - 823) / 823] x 100
Subtract the new number by the original number
717 - 823 = -106
-106 ÷ 823 = -0.12879708383961117
-0.12879708383961117 x 100 = -12.88%