23.47% is the change from 669 to 826
Calculation steps:
[( 826 - 669 ) ÷ 669] x 100 = 23.47%
Formula
Percentage change = [(826 - 669) / 669] x 100
Subtract the new number by the original number
826 - 669 = 157
157 ÷ 669 = 0.23467862481315396
0.23467862481315396 x 100 = 23.47%