37.65% is the change from 664 to 914
Calculation steps:
[( 914 - 664 ) ÷ 664] x 100 = 37.65%
Formula
Percentage change = [(914 - 664) / 664] x 100
Subtract the new number by the original number
914 - 664 = 250
250 ÷ 664 = 0.37650602409638556
0.37650602409638556 x 100 = 37.65%