-9.1% is the change from 824 to 749
Calculation steps:
[( 749 - 824 ) ÷ 824] x 100 = -9.1%
Formula
Percentage change = [(749 - 824) / 824] x 100
Subtract the new number by the original number
749 - 824 = -75
-75 ÷ 824 = -0.09101941747572816
-0.09101941747572816 x 100 = -9.1%