24.1% is the change from 668 to 829
Calculation steps:
[( 829 - 668 ) ÷ 668] x 100 = 24.1%
Formula
Percentage change = [(829 - 668) / 668] x 100
Subtract the new number by the original number
829 - 668 = 161
161 ÷ 668 = 0.2410179640718563
0.2410179640718563 x 100 = 24.1%