64.17% is the change from 494 to 811
Calculation steps:
[( 811 - 494 ) ÷ 494] x 100 = 64.17%
Formula
Percentage change = [(811 - 494) / 494] x 100
Subtract the new number by the original number
811 - 494 = 317
317 ÷ 494 = 0.6417004048582996
0.6417004048582996 x 100 = 64.17%