-9.23% is the change from 823 to 747
Calculation steps:
[( 747 - 823 ) ÷ 823] x 100 = -9.23%
Formula
Percentage change = [(747 - 823) / 823] x 100
Subtract the new number by the original number
747 - 823 = -76
-76 ÷ 823 = -0.09234507897934387
-0.09234507897934387 x 100 = -9.23%