0.37% is the change from 821 to 824
Calculation steps:
[( 824 - 821 ) ÷ 821] x 100 = 0.37%
Formula
Percentage change = [(824 - 821) / 821] x 100
Subtract the new number by the original number
824 - 821 = 3
3 ÷ 821 = 0.0036540803897685747
0.0036540803897685747 x 100 = 0.37%