9.23% is the change from 823 to 899
Calculation steps:
[( 899 - 823 ) ÷ 823] x 100 = 9.23%
Formula
Percentage change = [(899 - 823) / 823] x 100
Subtract the new number by the original number
899 - 823 = 76
76 ÷ 823 = 0.09234507897934387
0.09234507897934387 x 100 = 9.23%