23.47% is the change from 490 to 605
Calculation steps:
[( 605 - 490 ) ÷ 490] x 100 = 23.47%
Formula
Percentage change = [(605 - 490) / 490] x 100
Subtract the new number by the original number
605 - 490 = 115
115 ÷ 490 = 0.23469387755102042
0.23469387755102042 x 100 = 23.47%