23.02% is the change from 669 to 823
Calculation steps:
[( 823 - 669 ) ÷ 669] x 100 = 23.02%
Formula
Percentage change = [(823 - 669) / 669] x 100
Subtract the new number by the original number
823 - 669 = 154
154 ÷ 669 = 0.23019431988041852
0.23019431988041852 x 100 = 23.02%