39.61% is the change from 664 to 927
Calculation steps:
[( 927 - 664 ) ÷ 664] x 100 = 39.61%
Formula
Percentage change = [(927 - 664) / 664] x 100
Subtract the new number by the original number
927 - 664 = 263
263 ÷ 664 = 0.3960843373493976
0.3960843373493976 x 100 = 39.61%