16.42% is the change from 664 to 773
Calculation steps:
[( 773 - 664 ) ÷ 664] x 100 = 16.42%
Formula
Percentage change = [(773 - 664) / 664] x 100
Subtract the new number by the original number
773 - 664 = 109
109 ÷ 664 = 0.16415662650602408
0.16415662650602408 x 100 = 16.42%