68.43% is the change from 491 to 827
Calculation steps:
[( 827 - 491 ) ÷ 491] x 100 = 68.43%
Formula
Percentage change = [(827 - 491) / 491] x 100
Subtract the new number by the original number
827 - 491 = 336
336 ÷ 491 = 0.6843177189409368
0.6843177189409368 x 100 = 68.43%