48.95% is the change from 664 to 989
Calculation steps:
[( 989 - 664 ) ÷ 664] x 100 = 48.95%
Formula
Percentage change = [(989 - 664) / 664] x 100
Subtract the new number by the original number
989 - 664 = 325
325 ÷ 664 = 0.4894578313253012
0.4894578313253012 x 100 = 48.95%