68.84% is the change from 491 to 829
Calculation steps:
[( 829 - 491 ) ÷ 491] x 100 = 68.84%
Formula
Percentage change = [(829 - 491) / 491] x 100
Subtract the new number by the original number
829 - 491 = 338
338 ÷ 491 = 0.6883910386965377
0.6883910386965377 x 100 = 68.84%