24.85% is the change from 664 to 829
Calculation steps:
[( 829 - 664 ) ÷ 664] x 100 = 24.85%
Formula
Percentage change = [(829 - 664) / 664] x 100
Subtract the new number by the original number
829 - 664 = 165
165 ÷ 664 = 0.24849397590361447
0.24849397590361447 x 100 = 24.85%