23.62% is the change from 669 to 827
Calculation steps:
[( 827 - 669 ) ÷ 669] x 100 = 23.62%
Formula
Percentage change = [(827 - 669) / 669] x 100
Subtract the new number by the original number
827 - 669 = 158
158 ÷ 669 = 0.23617339312406577
0.23617339312406577 x 100 = 23.62%