35.23% is the change from 491 to 664
Calculation steps:
[( 664 - 491 ) ÷ 491] x 100 = 35.23%
Formula
Percentage change = [(664 - 491) / 491] x 100
Subtract the new number by the original number
664 - 491 = 173
173 ÷ 491 = 0.35234215885947046
0.35234215885947046 x 100 = 35.23%