1.51% is the change from 664 to 674
Calculation steps:
[( 674 - 664 ) ÷ 664] x 100 = 1.51%
Formula
Percentage change = [(674 - 664) / 664] x 100
Subtract the new number by the original number
674 - 664 = 10
10 ÷ 664 = 0.015060240963855422
0.015060240963855422 x 100 = 1.51%