50.71% is the change from 491 to 740
Calculation steps:
[( 740 - 491 ) ÷ 491] x 100 = 50.71%
Formula
Percentage change = [(740 - 491) / 491] x 100
Subtract the new number by the original number
740 - 491 = 249
249 ÷ 491 = 0.5071283095723014
0.5071283095723014 x 100 = 50.71%