36.66% is the change from 491 to 671
Calculation steps:
[( 671 - 491 ) ÷ 491] x 100 = 36.66%
Formula
Percentage change = [(671 - 491) / 491] x 100
Subtract the new number by the original number
671 - 491 = 180
180 ÷ 491 = 0.3665987780040733
0.3665987780040733 x 100 = 36.66%