-8.75% is the change from 823 to 751
Calculation steps:
[( 751 - 823 ) ÷ 823] x 100 = -8.75%
Formula
Percentage change = [(751 - 823) / 823] x 100
Subtract the new number by the original number
751 - 823 = -72
-72 ÷ 823 = -0.08748481166464156
-0.08748481166464156 x 100 = -8.75%