9.38% is the change from 821 to 898
Calculation steps:
[( 898 - 821 ) ÷ 821] x 100 = 9.38%
Formula
Percentage change = [(898 - 821) / 821] x 100
Subtract the new number by the original number
898 - 821 = 77
77 ÷ 821 = 0.09378806333739342
0.09378806333739342 x 100 = 9.38%