-7.9% is the change from 823 to 758
Calculation steps:
[( 758 - 823 ) ÷ 823] x 100 = -7.9%
Formula
Percentage change = [(758 - 823) / 823] x 100
Subtract the new number by the original number
758 - 823 = -65
-65 ÷ 823 = -0.07897934386391252
-0.07897934386391252 x 100 = -7.9%