35.64% is the change from 491 to 666
Calculation steps:
[( 666 - 491 ) ÷ 491] x 100 = 35.64%
Formula
Percentage change = [(666 - 491) / 491] x 100
Subtract the new number by the original number
666 - 491 = 175
175 ÷ 491 = 0.3564154786150713
0.3564154786150713 x 100 = 35.64%