68.61% is the change from 481 to 811
Calculation steps:
[( 811 - 481 ) ÷ 481] x 100 = 68.61%
Formula
Percentage change = [(811 - 481) / 481] x 100
Subtract the new number by the original number
811 - 481 = 330
330 ÷ 481 = 0.6860706860706861
0.6860706860706861 x 100 = 68.61%