25.3% is the change from 664 to 832
Calculation steps:
[( 832 - 664 ) ÷ 664] x 100 = 25.3%
Formula
Percentage change = [(832 - 664) / 664] x 100
Subtract the new number by the original number
832 - 664 = 168
168 ÷ 664 = 0.25301204819277107
0.25301204819277107 x 100 = 25.3%