18.98% is the change from 664 to 790
Calculation steps:
[( 790 - 664 ) ÷ 664] x 100 = 18.98%
Formula
Percentage change = [(790 - 664) / 664] x 100
Subtract the new number by the original number
790 - 664 = 126
126 ÷ 664 = 0.1897590361445783
0.1897590361445783 x 100 = 18.98%