23.39% is the change from 667 to 823
Calculation steps:
[( 823 - 667 ) ÷ 667] x 100 = 23.39%
Formula
Percentage change = [(823 - 667) / 667] x 100
Subtract the new number by the original number
823 - 667 = 156
156 ÷ 667 = 0.23388305847076463
0.23388305847076463 x 100 = 23.39%