18.23% is the change from 823 to 973
Calculation steps:
[( 973 - 823 ) ÷ 823] x 100 = 18.23%
Formula
Percentage change = [(973 - 823) / 823] x 100
Subtract the new number by the original number
973 - 823 = 150
150 ÷ 823 = 0.1822600243013366
0.1822600243013366 x 100 = 18.23%