38.86% is the change from 664 to 922
Calculation steps:
[( 922 - 664 ) ÷ 664] x 100 = 38.86%
Formula
Percentage change = [(922 - 664) / 664] x 100
Subtract the new number by the original number
922 - 664 = 258
258 ÷ 664 = 0.3885542168674699
0.3885542168674699 x 100 = 38.86%