1.22% is the change from 491 to 497
Calculation steps:
[( 497 - 491 ) ÷ 491] x 100 = 1.22%
Formula
Percentage change = [(497 - 491) / 491] x 100
Subtract the new number by the original number
497 - 491 = 6
6 ÷ 491 = 0.012219959266802444
0.012219959266802444 x 100 = 1.22%