21.02% is the change from 823 to 996
Calculation steps:
[( 996 - 823 ) ÷ 823] x 100 = 21.02%
Formula
Percentage change = [(996 - 823) / 823] x 100
Subtract the new number by the original number
996 - 823 = 173
173 ÷ 823 = 0.21020656136087484
0.21020656136087484 x 100 = 21.02%