22.59% is the change from 664 to 814
Calculation steps:
[( 814 - 664 ) ÷ 664] x 100 = 22.59%
Formula
Percentage change = [(814 - 664) / 664] x 100
Subtract the new number by the original number
814 - 664 = 150
150 ÷ 664 = 0.22590361445783133
0.22590361445783133 x 100 = 22.59%