8.4% is the change from 821 to 890
Calculation steps:
[( 890 - 821 ) ÷ 821] x 100 = 8.4%
Formula
Percentage change = [(890 - 821) / 821] x 100
Subtract the new number by the original number
890 - 821 = 69
69 ÷ 821 = 0.08404384896467722
0.08404384896467722 x 100 = 8.4%