24.1% is the change from 664 to 824
Calculation steps:
[( 824 - 664 ) ÷ 664] x 100 = 24.1%
Formula
Percentage change = [(824 - 664) / 664] x 100
Subtract the new number by the original number
824 - 664 = 160
160 ÷ 664 = 0.24096385542168675
0.24096385542168675 x 100 = 24.1%