31.63% is the change from 664 to 874
Calculation steps:
[( 874 - 664 ) ÷ 664] x 100 = 31.63%
Formula
Percentage change = [(874 - 664) / 664] x 100
Subtract the new number by the original number
874 - 664 = 210
210 ÷ 664 = 0.31626506024096385
0.31626506024096385 x 100 = 31.63%