29.82% is the change from 664 to 862
Calculation steps:
[( 862 - 664 ) ÷ 664] x 100 = 29.82%
Formula
Percentage change = [(862 - 664) / 664] x 100
Subtract the new number by the original number
862 - 664 = 198
198 ÷ 664 = 0.29819277108433734
0.29819277108433734 x 100 = 29.82%