6.46% is the change from 821 to 874
Calculation steps:
[( 874 - 821 ) ÷ 821] x 100 = 6.46%
Formula
Percentage change = [(874 - 821) / 821] x 100
Subtract the new number by the original number
874 - 821 = 53
53 ÷ 821 = 0.06455542021924482
0.06455542021924482 x 100 = 6.46%