-7.17% is the change from 823 to 764
Calculation steps:
[( 764 - 823 ) ÷ 823] x 100 = -7.17%
Formula
Percentage change = [(764 - 823) / 823] x 100
Subtract the new number by the original number
764 - 823 = -59
-59 ÷ 823 = -0.07168894289185905
-0.07168894289185905 x 100 = -7.17%