-8.4% is the change from 821 to 752
Calculation steps:
[( 752 - 821 ) ÷ 821] x 100 = -8.4%
Formula
Percentage change = [(752 - 821) / 821] x 100
Subtract the new number by the original number
752 - 821 = -69
-69 ÷ 821 = -0.08404384896467722
-0.08404384896467722 x 100 = -8.4%