16.7% is the change from 491 to 573
Calculation steps:
[( 573 - 491 ) ÷ 491] x 100 = 16.7%
Formula
Percentage change = [(573 - 491) / 491] x 100
Subtract the new number by the original number
573 - 491 = 82
82 ÷ 491 = 0.1670061099796334
0.1670061099796334 x 100 = 16.7%