47.29% is the change from 664 to 978
Calculation steps:
[( 978 - 664 ) ÷ 664] x 100 = 47.29%
Formula
Percentage change = [(978 - 664) / 664] x 100
Subtract the new number by the original number
978 - 664 = 314
314 ÷ 664 = 0.47289156626506024
0.47289156626506024 x 100 = 47.29%