40.53% is the change from 491 to 690
Calculation steps:
[( 690 - 491 ) ÷ 491] x 100 = 40.53%
Formula
Percentage change = [(690 - 491) / 491] x 100
Subtract the new number by the original number
690 - 491 = 199
199 ÷ 491 = 0.40529531568228105
0.40529531568228105 x 100 = 40.53%